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A Public Health Information Service provided by
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Racun Negara, Universiti Sains Malaysia
@ All Right Reserved
Spanish Eggs Link To
Salmonella Cases
The New Straits Times, 31 October 2002
London (England) - Investigations into a number of salmonella
poisoning outbreaks in England and Wales have revealed a link to eggs
imported from Spain, Britain's food safety watchdog said yesterday.
Since August, more than 350 people have been taken ill in six
outbreaks of salmonella poisoning from an unusual strain of the
disease, with two deaths confirmed this month from an outbreak in
north-west England. Emerging evidence linked many of the cases to
Spanish eggs and prompted the Food Standards Agency to issue
guidelines to importers and wholesalers of Spanish eggs that they
should ensure these eggs are heat-heated. Heat-treatment kills bugs
such as salmonella in eggs. The agency said some of the food poisoning
cases have come from a strain of salmonella, called Enteritidis PT14b.
MSG Bad For Eyes
The Star (Health), 31 October 2002
Eating too much monosodium glutamate (MSG), a flavour enhancer common
in oriental and processed foods, could make you blind, scientists
reported.
Researchers at Hiroaki University in Japan found that rats fed on
diets high in monosodium glutamate had thinner retinas and defective
eyesight. According to the scientists, monosodium glutamate destroyed
receptors on retina cells and reduced the ability to relay nerve
signals. The research explains perhaps why there is a high rate of
normal tension glaucoma in eastern Asia, although it could be due to
genetics.
Dr. Hiroshi Ohguro said his findings did not sound the death knell for
Chinese food. The rats ate extraordinary large amounts of MSG – a
fifth of their entire diet. "Lesser amounts should be OK," he said,
"but the precise borderline amount is still unknown.
No Real Bear Gall Bladder
On Sale
The Sun, 30 October 2002
Malaysia - There is no real bear gall bladder sold in local
Chinese medicine shops, said Liu Bao Sheng, president of the Chinese
Doctors Association. According to Liu, bear gall bladders are rare and
the ones sold in Malaysia are made of herbs, adding that no import of
it was made ever since the substance was banned more than 10 years
ago.
Liu was commenting on a statement by a non-governmental organization
urging the government to stop the illegal trade in bear gall bladder
which was purportedly used in Chinese medicines.
Dioxin Contamination
The Star, 29 October 2002
An incineration plant on the tiny Pyrenean principality of Andorra has
been shut down after it was found to be emitting 1,000 times as much
dioxin as allowed by the European Union.
The plant, which is located 5km from the capital, Andorra la Vella,
contaminated a 200ha valley. Local newspapers said cattle that have
grazed in the valley will be slaughtered and residents will undergo
medical tests.
Environmentalists accused the government of procrastination in closing
the plant. Andorra will now resort to Spanish incineration plants
until a new one is built in 2005.
One Killed, More Than A
Hundred Hospitalised From Chemical Poisoning
The New Straits Times, 29 October 2002
Hanoi (Vietnam) - A woman was killed and nearly 150 other
female employees at a Taiwanese shoe factory were hospitalised in
southern Vietnam over the weekend after inhaling anti-mould chemicals.
Hundreds of workers on the Saturday morning shift at the shoe factory
complained of breathing difficulties and vomited after the chemical
was sprayed on the leather stores. The operation was halted after some
workers fainted.
Wine Drinkers Less At Risk
From Cirrhosis
The Sun, 28 October 2002
Wine is less likely than beer or spirits to lead to cirrhosis of the
liver among people who consume alcohol.
A study by the Alcohol Research Centre in Copenhagen showed only 9.6
per cent of 300 Danes with alcohol–induced cirrhosis drank more wine
than other alcoholic drinks combined.
The research center, presenting a study to the Vinsalud 2002 wine and
health congress in Santiago, Chile, said everyone who drank alcohol
was at greater risk of contracting cirrhosis than abstainers.
Cirrhosis is a potentially fatal disease often associated with
over-consumption of alcohol. It block the flow of blood through the
liver, the biggest organ in then body.
Delegates attending the congress said a reason for the lower cirrhosis
rate in wine drinkers could be that polyphenol, a substance found in
the skin of red grapes, might protect the liver from damage.
Cancer Myths Uncovered
The Star (Health), 26 October 2002
1. Most heavy smokers will die of lung cancer
According to the British Lung Foundation, not everyone who smokes will
get lung cancer. But 50 per cent of persistent smokers will eventually
die from their habit, probably due to stroke, heart attack or
respiratory disease.
2. Only women get breast cancer
Not true ! Men get it too although the number is very much smaller.
Most male sufferers are over 60 and have a family history of the
disease.
3. Electricity pylons cause childhood leukaemia
A study from the University of Cambridge found no evidence that
magnetic fields from electricity pylons or household appliances cause
childhood cancer such as leukaemia. The scientists studied 4,000
children with leukaemia and found they had the same exposure to
magnetic fields as healthy children.
4. Stress causes cancer
Some people think the immune system, which can be depleted by
stress, plays an important role in keeping cancer at bay – but most
significant studies have shown that lifestyles, genes, and
environmental factors count most, says Dr. Lesley Walker, director of
cancer information at Cancer Research UK.
5. The Pill causes cancer
A study in The Lancet in 1996 found that the contraceptive pill, which
contains the hormones oestrogen and progesterone, slightly increases
the risk of cancer while being taken, but this extra risk disappears
10 years after stopping. On the plus side, studies have shown that
women on the pill for at least three years have a lower risk of
ovarian cancer.
6. Meat eaters are more likely to get cancer
The American Cancer Society says vegetarians are just as likely to die
of bowel cancer as meat eaters. It's eating a balanced diet, with at
least five portions of fruits and vegetables a day – whether for a
meat-eater, vegetarian or vegan – that cuts the risk of cancer.
7. Mobile phones cause brain tumours
Most studies have shown no link between mobile phones and brain cancer
– but it can't be completely ruled out. A recent Swedish study
suggested that mobile phone use is associated with a two-and-a-half
fold increased risk of brain tumour. However, the evidence is not
conclusive.
8. Suncream prevents skin cancer
Suncreams can help protect from burning if used properly but they
won't necessarily prevent skin cancer, so exposure to sun should be
limited.
9. Taking fertility drugs increases the risk of ovarian cancer
Initial research suggested the fertility drug Clomid (clomiphene
citrate) increases the risk of ovarian cancer, although doubts are now
being cast on this. A study into the subject is currently being
carried out.
10. Microwave ovens cause cancer
Two scientists at the Swiss Federal Institute of Technology in 1992
found that eating food cooked in microwave oven caused cancer-type
effects in the blood. But the British National Radiological Protection
Board (NRPB), which provides independent advice on the risks to health
from radiation, says this research was not confirmed in other
laboratories, and there isn't sufficient evidence to link
electro-magnetic fields (EMFs) that can be emitted by microwave ovens
to cancer.
11. Breast cancer can be triggered by wearing the wrong bra
The book Dresses to kill: The link Between Breast Cancer and Bras, by
US anthropologists Sydney Ross Singer and Soma Grismaijer claimed that
tight bras constrict the lymphatic system, causing toxins to
accumulate in breast tissues, resulting in cancer. No scientific study
has backed this up and all leading cancer organizations agree a lack
of blood supply or increased pressure doesn't cause normal cells to
become cancerous.
12. Mammograms cause cancer
Until the late 90s it was thought that regular mammograms, which
exposed women to radiation, may damage DNA and increase the risk of
cancer, particularly in younger women. But more recent research has
refuted this.
Drug Recalled
The New Straits Times, 25 October 2002
China - China's State Drug Administration has ordered the
recall and immediate destruction of a drug used to treat psoriasis, a
common skin disease, saying it raises the risk of contracting
leukaemia. The bureau ordered the recall of all forms of
yishuang-malin or bimolane from factories and hospitals.
Study: Aspirin Cuts Risks
Of Heart Bypass Surgery
The Sun, 25 October 2002
Boston (USA) - Researchers say patients who take aspirin within
two days of heart bypass surgery dramatically reduce their health
risks. The study's authors found that giving heart bypass patients
aspirin within 48 hours of surgery cut the death rate by 68 per cent
during the study period. The chances of stroke decreased by 62 per
cent, the likelihood of kidney problems fell by 60 per cent, and the
risk of developing a heart attack was cut nearly in half.
Aspirin substantially mitigates both fatal and non-fatal damage to the
heart, brain, kidneys and intestines, said the team of researchers,
led by Dennis Mangano of the San Francisco-based Ischemia Research and
Education Foundation.
The conclusion challenged the conventional wisdom that has kept bypass
surgery patients off the cheap, generic pain-killer amid fears it
would lead to dangerous bleeding.
Study On Hormone
Replacement Therapy Stopped
The Star, 24 October 2002
London (England) - Citing scientific and ethical reasons,
British scientists have stopped a study into the risks and benefits of
the long-term use of hormone replacement therapy (HRT). The decision
by scientists at the government's Medical Research Council (MRC) comes
three months after American doctors halted a study into HRT after
learning the drug can increase the risk of breast cancer, stroke and
blood clot.
Earlier, Britain decided to continue the study but an Independent
International Committee (IIC) of advisers was appointed to review the
results of the American study and other research into HRT. The MRC was
subsequently advised by the committee to stop the trial. The experts
also said the study's contribution to women's health was unlikely to
be as valuable as they had previously thought.
Professor Ray Fitzpatrick of the University of Oxford and the chairman
of the IIC said there is a strong evidence that taking HRT for many
years raises the risk of some diseases such as breast cancer but
decreases the risk of others including osteoporosis, or brittle bone
disease.
Mercury Poisoning
The Star, 24 October 2002
Hong Kong - As many as 10 per cent of high school students in
Hong Kong may be at risk of mercury poisoning because of their high
consumption of fish such as tuna and swordfish, a government survey
found.
The 2001/2002 study found 10 per cent of the 903 students it surveyed
had dietary habits which gave them a mercury exposure of 6.41
microgrammes per kilogramme of body weight in a week. The level
exceeds the five microgrammes safety limit set by the World Health
Organization's Expert Committee on Food Addictives.
Pfizer Launches Lawsuits
Against Five Viagra Rivals
The New Straits Times, 24 October 2002
New York (USA) - Pfizer Inc has filed patent infringement
lawsuits against five rivals readying to bring competitors to its
erectile dysfunction drug Viagra to the market. Pfizer was reported to
have issued an additional patent on Viagra and that Cialis, a drug
that will be marketed by Eli Lilly & Co. and Icos Corp, and Levitra,
which will be marketed by GlaxoSmithKline and Bayer AG, have infringed
on its new intellectual property.
Both Cialis and Levitra were expected to be approved by the US Food
and Drug Administration this year but each received only a conditional
OK.
Viagra is the only major player in the erectile dysfunction market and
last year, earned sales of US$ 1.5 billion for Pfizer Inc.
Ecstasy's Crippling Force
The New Straits Times (Health), 22 October 2002
Just two to three Ecstasy tablets – a quantity that thousands of
clubbers take during raves – can permanently destroy brain cells that
affect movement and reasoning, according to American research that
links the drug to Parkinson's for the first time.
A study involving squirrel monkeys and baboons found that both species
of primate suffered irreversible damage to key cells called dopamine
neurons, which are lost in Parkinson's after receiving three low doses
of Ecstasy at three-hour intervals.
The findings, by a team at Johns Hopkins University in Baltimore,
Maryland, suggest that Ecstasy may be raising the possibility of
thousands of cases of early onset Parkinson's, as well as a milder
version known as Parkinsonism.
If the primate findings apply to humans – as has been the case with
most previous Ecstasy research – researchers fear that the drug will
increase user's chances of developing Parkinson's, while lowering the
age at which its effect are first felt. The study is particularly
significant because baboons are one of the best animal models for the
human brain.
Baby Dies Of Drug Overdose
The Star, 21 October 2002
Brussels - A three-month-old baby died of a drug overdose after
methadone was put in a bottle to calm the infant. The mother and a
male friend were detained after the child died soon after being
brought into the emergency department of a Brussel's hospital.
No Link Between Cellphone
And Cancer
The Sun, 18 October 2002
Theories linking the use of mobile phones to cancer are unfounded, the
Swedish Radiation Protection Authority announced recently after a
wide-range scientific review.
US Scientists John Boice and Joseph McLaughlin of the International
Epidemiology Institute, chosen by the Swedish public health body to
conduct the study, said 'no consistent evidence' was found linking
phone use to a list of cancers including brain cancer, meningioma,
acoustic neurinoma, ocular melanoma and salivary gland cancer.
Boice and McLaughlin looked at dozens of studies from several
countries that had taken into account varying criteria, including the
type of phone, duration and frequency of use, total cumulative hours
of use, and tumour location. The scientists said five more thorough
studies from three countries, including a Danish project involving
data on 400,000 mobile phone users, provided more reliable evidence
ruling out the dangers of mobile phone use.
In addition, the studies of human data have been backed by recent
experiments on lab animals showing there is no adverse effect of
exposure to the types of radiation produced by the phones.
Soft Toys Recalled Over
Safety Fears
The Sun, 18 October, 2002
Malaysia - Furniture and home accessories company Ikea recalled
its SNUTTIG soft toy following the discovery of defects which may pose
as hazards to children.
The company's headquarters in Sweden ordered all its branches
worldwide to recall the toys after a customer in another country
complained that the seams tend to burst, and the inner bag containing
the plastic beads is breakable.
Ikea's safety expert for children's products said the company is
concerned about the possibility of a child accidentally swallowing the
beads or inhaling them.
In Malaysia, the SNUTTIG soft toy has been bought by 8,000 customers
at RM 5.90 each. IKEA will refund customers for the purchase of the
said toy or replace a product of the same price.
Study: Even Light Drinking
Can Affect Height Of Children
The Star, 18 October 2002
Pittsburgh (USA) - Children born to mothers who drink even
small amounts of alcohol early in pregnancy are shorter and weigh less
at age 14 than children born to mothers who abstain, a study says.
University of Pittsburgh researcher Nancy Day, the study's principal
investigator said her study reinforces that. The deficiencies found in
the study are slight and fall within normal height and weight ranges,
Day said, but were still surprising. The differences also were
statistically significant, meaning they were not a matter of chance.
Day studied the effects of alcohol on 565 children whose mothers
drank, tracking their progress at various age since 1982.
The US government has long said that no amount of alcohol is safe for
a pregnant woman to drink.
Toxicologist Kills Husband
Over Affair
The New Straits Times, 17 October 2002
San Diego (USA) - A twenty-five-year-old former
toxicologist is on trial for murdering her husband. Prosecutors said
Kristin Rossum's addiction to methamphetamine and her torrid love
affair with her boss led her to give her husband the fatal dose of
fentanyl last year after he threatened her drug use and her affair
with her superior.
Brain-damaged Woman Wins
Negligence Suit
The New Straits Times, 16 October 2002
London (England) - A woman who suffered a heart attack during
childbirth that left her with severe brain damage has won a negligence
suit against Franborough Hospital in Kent, South England. The High
Court awarded Kerstin Parkin, 34, £7 million plus £250,000 a year for
the rest of her life.
The hospital was sued for providing Parkin "profoundly sub-standard
care" and failing to take basic steps to prevent her brain damage. A
cardiac emergency team reportedly was unable to reach Parkin because
they did not know the security code to get into the labour ward. The
hospital admitted liability in February 1999.
Parkin, a former professional Latin dancer, is left with only limited
movement of her head and eyes.
Curb Tobacco Use Or Face
Death, Warns WHO
The New Sunday Times, 13 October 2002
Geneva (Switzerland) - The World Health Organization (WHO) has
urged countries to reach a global deal on curbing tobacco use, warning
that hundreds of thousands more people were dying each year from
smoking than previously thought.
The United Nation agency said it had revised its annual death toll for
smoking related diseases to 4.9 million people from 4.2 people in part
because of better research into heart disease in developing countries.
Health activists say, based on current trends, tobacco could soon
become the leading cause of premature death worldwide, killing more
than HIV/AIDS, maternal mortality, car accidents, homicide and suicide
combined.
The WHO’s 192-member states will gather in Geneva on Tuesday for 10
days of further negotiations on a treaty – the Framework Convention on
Tobacco Control (FCTC) – to wean the world off smoking.
Bizarre Suicide Shuts
Hospital For 14 Hours
The Sun, 12 October 2002
London (England) - The bizarre suicide of Sir Derek Bibby, an
English millionaire shipping magnate, shut down a hospital emergency
section for 14 hours after the rat poison he took began to release
toxic gas. His body then had to be placed in a sealed coffin in the
hospital ground after it continued to give off the gas, causing five
hospital staff members to suffer minor breathing problems.
Bibby who was terminally ill with leukaemia took aluminium phosphide
tablets, normally used as fumigant, which produce toxic phosphine gas
on contact with water. He took the pills in the basement sauna of his
country home, but was alive when the emergency teams arrived. An
overpowering smell of garlic alerted them to the danger, and the
firemen donned breathing apparatus before carrying him out to an
ambulance.
New Tool To Detect Cancer
The Star, 12 October 2002
Taiwan - A latex mitten with a pocket containing a thin layer
of mineral oil allows a woman to detect breast cancer at an earlier
stage that she would when performing self-inspection with her bare
fingers. It allows a woman to detect a lump as small as a grain of
rice when she uses the mitten in the self-exam.
The pocket of mineral oil allows the hand to move freely over the
skin, preventing a woman from missing a tiny lump, which could slip
away when pressed by bare hands. With bare hands, a woman can best
detect lumps the size of a peanut or larger.
Taiwanese inventor Rich Ho said that few Taiwanese physicians are
recommending its use yet, mistakenly thinking that women would give up
the use of mammography in favour of the mitten.
He announced yesterday that he was applying for patents in more than
40 countries for the mitten that has won several awards at
international invention contest. The retail price is about 8,000 yen
(RM240) in Japan.
Patients Given Tainted
Blood
The Star, 11 October 2002
Hong Kong - Two patients here have received blood infected with
dengue fever after the disease worked its way into Hong Kong's blood
transfusion supply, health officials announced last night.
One patient later died of cancer, while a 72-year-old woman was
infected with dengue fever after receiving blood during an operation
at Queen Mary Hospital.
According to the South China Morning Post, the tainted blood came from
a teenager who developed symptoms a day later after he donated blood
through one of Hong Kong's Blood Transfusion Service Centres. He was
later confirmed as a dengue case and the Hospital Authority was
alerted about his blood donation. Some of the contaminated blood was
sent to Australia but was recalled before it was used.
Lemon Juice Kills AIDS
Virus
The Star, 11 October 2002
Canberrra (Australia) - Australian scientists believe they have
re-discovered an effective use for lemon juice – as a contraceptive
and also a killer of the AIDS virus.
Reproductive physiologist Roger Short, from the University of
Melbourne's obstetrics department, said a few drops of lemon juice can
be a cheap, easy-to-use solution to protect women from both HIV and
pregnancy.
The juice should be squeezed onto a piece of sponge or cotton wool and
placed into the vagina before sex, he said.
"We can show in the lab that lemon juice is very effective in
immobilizing human sperm and also very effective in killing HIV,"
Short told Australian Broadcasting Corp television on Thursday.
Fake Malarial Drugs Causing
Resistance
The Sun, 10 October 2002
Malaysia - Fake and low quality medicine in Asia are increasing
the resistance to anti-malarial drugs, health experts warned.
While Africa is the epicentre of the mosquito-borne disease and
accounts for 90% of the one million or more deaths each year, Asia
also suffers major effects. It is the result of Asia being the centre
of counterfeit drugs for malaria, according to Chris Hentschel of a
Swiss-based organization that arranges partnership to research and
deliver anti-malarial drugs.
It has been estimated that up to 80% of the drugs available in some
parts of Asia are counterfeits or of low quality and it is
contributing to drug resistance development because a proper dose of
the drug is not achieved.
Several panel members of the World Economic Forum lamented that the
poor-turn out for the session was typical of the lack of urgency on
the disease outside Africa.
The growing anti-globalisation movement is one reason cited for
spurring big business involvement in so-called partnerships to tackle
various issues affecting poorer countries.
Get Yellow Fever Jab,
Travellers Told
The Star October 10, 2002
Malaysia - Malaysians visiting Africa and South America are
advised to get vaccinated against jaundice or yellow fever before
leaving.
The disease is endemic in Angola, Benin, Burkina Faso, Burundi,
Cameroon, Central African Republic, Chad, Congo, Ivory Coast,
Ethiopia, Gabon, Gambia, Ghana, Guinea, Guinea Bissau, Equatorial
Guinea, Kenya, Liberia, Mali, Nigeria, Rwanda, Senegal, Sierra Leone,
Sudan, Somalia, Togo, Uganda, Zambia, Zaire, Tanzania, Bolivia,
Brazil, Colombia, Equador, French Guiana, Guyana, Panama, Peru,
Surinam and Venezuela.
Health Ministry secretary-general Datuk Alias Ali said Malaysians who
failed to get vaccinated might be quarantined upon their return.
Call For Ban On Ephedra
New Straits Times, 10 October 2002
Washington - The American Medical Association (AMA) called for
a ban on the weight-loss supplement ephedra, and a top maker of the
supplement said the industry should be more closely regulated. When
misused, ephedra can cause heart attacks and can kill even strong,
healthy people, a AMA representative told a Senate subcommittee. The
hearing is one of the several being held while the Government ponders
whether to restrict the supplement.
Religious Leaders ‘Can Help
Fight AIDs’
The Star, 9 October 2002
Malaysia - Religious leaders have a major role to play in
teaching people about the prevention and treatment of HIV/AIDs.
Malaysian AIDs Council president Datin Paduka Marina Mahathir said
that AIDs patients in Thailand are given shelter by Buddhist monks in
their temples while many Christian-based organizations have provided
education and are involved in outreach programmes for poor AIDs
patients.
She said that Ugandan imams were well-informed about HIV/AIDs and had
greatly assisted Ugandans by disseminating the right knowledge on how
to prevent or treat the disease.
As a result of the recent meeting in Kampala, Uganda, the council was
now holding discussions with the Islamic Development Department to
organize a second international-level conference in Malaysia next
year.
Study: Teenage Smoking
Increases Breast Cancer Risk
The New Sunday Times, October 5, 2002
London (England) - Women who start smoking when they are
teenagers are 70 per cent more likely to develop breast cancer than
non-smokers, Canadian scientists said today.
Dr. Pierre Band of Health Canada in Quebec and colleagues from the
British Columbia Cancer Agency in Vancouver questioned 2,000 women
with and without breast cancer, in a survey to determine the impact of
smoking on the risk of the disease. About 1,400 women had gone through
the menopause and the others had not.
The scientists found that in younger women, the risk of breast cancer
increases if they start smoking within five years of puberty. But in
older women, smoking does not increase the chances of suffering from
the disease regardless of when smoking starts. They found a reduced
risk in women who took up the habit after their first pregnancy.
Band and his team believes that breast tissue could be particularly
sensitive to cancer-causing agents during puberty when the breast are
developing.
"Our results suggests that cigarettes smoke exerts a dual action on
menopausal and post-menopausal women," Band said in the research
published in The Lancet medical journal.
Worrisome Bug
The Star, 4 October 2002
Increasing resistance of bacteria to powerful antibiotics is becoming
a major concern among researchers around the world. Over-prescription
of antibiotics by doctors must be curtailed to maintain their
effectiveness, warned researchers. Experts highlighted the case of
Ciprofloxacin, or Cipro, a powerful antibiotic used during suspected
anthrax contaminations in post-Sept 11 terrorist mail attacks, which
is showing signs of weakening against the disease.
Researchers at University of California who conducted a study on
13,000 pneumonia sufferers around the United States warned the
effectiveness of Cipro and other antibiotics known as flouroquinolones
as being "seriously eroded".
The study showed that flouroquinolone antibiotics were prescribed by
doctors for more than 30 per cent of patients after they left
hospitals, in cases where less focused drugs would have been adequate.
A disturbing consequence, said researchers, was that flouroquinolones,
effective against the bacteria E.coli in 90 per cent of cases until
1997, are now effective in only 79 per cent of cases.
Study Finds Breast
Self-Examinations Useless
The Sun, 4 October 2002
Washington/London - Hope that regular breasts self-examination
might protect women against dying from breast cancer was finally
extinguished on Wednesday by a huge study that demonstrated it was
useless.
Results from the 11-year survey of 266,000 women in Shanghai showed
the death rate from breast cancer did not differ in the group that was
taught to check their breasts as in the group given no information.
But the findings, published in the US Journal of the National Cancer
Institute, did not surprised British experts where skepticism about
the value of breast self-examination has been expressed for well over
a decade.
Breast self-examination involves a methodical search of each breast,
following a set procedure and is supposed to be carried out at the
same time each month.
In the Shanghai study, the researchers from the Fred Hutchinson Cancer
Research Centre in Seattle found that the women who were taught the
technique of examining their breasts regularly failed to spot
cancerous lumps earlier than those who did not.
Disc For Detecting Rotten
Food
The Sun, 4 October 2002
London (England) - A plastic disc could soon remove any doubt
about whether food has spoiled and is no longer safe to eat.
Scientists, have developed a food tag that changes colour when food
has gone off. "The polymer discs contain complex organic dyes that
change colour drastically from clear to tell-tale pink, blue or
yellow, depending on the type of food," New Scientist magazine said.
Skin-prick Test
The Star, 4 October 2002
A New Zealand specialist has advocated skin-prick testing of
asthmatics by doctors to help their patients identify allergies which
contribute to their illness.
Dr. Isobel Martin, a senior Dunedin Medical School lecturer, said 9
per cent of New Zealand adults took regular medication to control
asthma symptoms but skin-prick testing was rarely offered by general
practitioners.
A small number of studies had already shown a clinical benefit from
reducing allergens, Martin said. The president of Asthma New Zealand,
Dr. Allen Liang, told the New Zealand Herald that doctors should be
paying more attention to allergies because they played a big role in
the onset of asthma in children. But he said allergen testing was not
straightforward as both skin pricks and blood tests were needed to
establish the allergen and the severity of its effect.
Acrylmide Source
The Star, 4 October, 2002
Food chemists said they had figured out the process that creates a
potentially carcinogenic substance in cooked products such as potato
chips and French fires and some cereal crackers.
Researchers said, a process called Maillard reaction kicks in when
starchy foods are cooked at moderately high temperature. They pointed
the finger at an amino acid called asparagines which is naturally
abundant in potatoes and in some cereals including rye flour. The
asparagines reacts with sugars, potentially yielding acrylamide. The
reaction occurs above 100°C although "very high temperatures are not
necessary", a team led by Donald Mottram of the University of Reading
, southern England, reported. The other research was carried out by
the Swiss food company Nestle.
Japan Steps Up Anti-Smoking
Drive
The New Straits Times, 3 October 2002
Tokyo (Japan) - Tokyo smokers who light up on the city's
streets will face a fine of 20,00 yen (RM 625). Smoking on the street
in parts of central Tokyo is now banned, a blow to Japan's reputation
as a tobacco addict's paradise.
Fifty uniformed cigarette patrol officers set out in the morning,
armed with ashtrays and placards entreating smokers to stub out their
cigarettes.
Although smokers complied, not all were in favour of the new
regulation.
Ban On Dry Cleaning Solvent
The Star, 2 October 2002
Californian regulators want to phase out the most commonly used
dry-cleaning solvent, saying it endangers public health. But the
proposal to ban perchloroethylene or perc, faces opposition from the
chemical industry as well as the users. Dry cleaners say perc is
absolutely necessary for clean clothes but officials of the South
Coast Air Quality Management District say it dirties the air, water,
and soil, and probably causes cancer. Cities including New York and
San Francisco heavily regulate use of perc but nowhere has it been
banned outright. Perc is estimated to cause more cases of cancer than
anything except diesel exhaust among the toxic substances that exist
in the Los Angeles region.
Diesel Exhaust Link To Lung
Cancer
The New Straits Times, 1 October 2002
Breathing exhaust fumes from diesel engines may raise a person's risk
of developing lung cancer, the United States Environmental Protection
Agency said. Although effects of its long-term exposure was not
ascertained, the agency's report warned that chronic inhalation of the
fumes at levels now present in many urban environments "is likely to
pose a lung cancer hazard to humans, as well as damage to the lung in
other ways depending on exposure."
The report also found that short-term exposures can cause irritation
and inflammation in the lungs, and may worsen existing allergies and
asthmas symptoms. The report provides new ammunition for supporters of
stricter emissions regulations for on and off road diesel engines,
environmental groups said.
Solution For Hair Loss
The Sun, 1 October 2002
Singapore - A Singapore researcher claims to have developed a
lotion that will restore at least some of the crowning glory to shiny
pates.
Dr Lee Chee Wee, founder of Lynk Biotechnologies, said the lotion he
developed contains tiny peptides, or chains of amino acids, that
prevent the receptors in the hair follicles from coming into contact
with hormones that cause them to fall out. Lee, also an associate
professor at the National University of Singapore's medical faculty
explained that molecules of plant origin, when treated with enzymes,
block the hormone DHT from entering and damaging the hair follicle. "
When this happens, even follicles empty of hair can start growing it
again," said Lee.
The hair lotion is currently being distributed in Singapore and may be
expanded to Malaysia, Thailand and Australia by the end of the year.
The lotion was tested on more than 100 balding men. The result was
between 30 and 60 per cent of hair re-growth, Lee noted.
Plant Protein Slows Growth
Of Brain Cancer Cells
The Star, 1 October 2002
London (England) - A molecule in a poisonous weed found in
fields and wasteland in most parts of the United States could open up
a new approach to treating a deadly type of brain cancer, Japanese
scientists said.
Initial laboratory tests by researchers at the Tokyo metropolitan
Institute of Gerontology revealed that a molecule in jimson weed has
an unusual effect on glioma brain cancer cells. The molecule, known as
DSA, doesn't kill the cancerous cells but it robs them of their
capacity to spread and cause the disease. DSA forces cancer cells to
mature or differentiate and in the process lose their cancerous
capacity.
So far the molecule has only been tested on cancerous cells in the
laboratory and any treatment based on the discovery is still many
years away, said Dr. Tasuku Sasaki, whose research is published in the
British Journal of Cancer.
Malignant glioma is among the most difficult brain cancers to treat
and the prognosis is usually poor. Surgery, radiotherapy, chemotherapy
are used but the size and location of the tumour are important.
Jimson weed, also known as apple thorn, stinkweed and stinkwort, is a
foul-smelling, poisonous plant that can grow up to 1.5m high.
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