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news archive: Sep-Oct 2006
Health & longevity news archive: September-October 2006
Regular exercise 'prevents' colds
(Oct 27, 2006)
Taking regular, moderate exercise cuts the risk of colds, research
suggests. A trial of the effect of exercise in post-menopausal
women found up to a three-fold reduced risk of cold in those who
did more physical activity. And the ability to ward off colds
grew stronger over time, the study in the American Journal of
Medicine found.
Read
more. Source: BBC |
Stress boosts Alzheimer’s proteins in the
brain
(Oct 17, 2006)
Brief periods of stress can cause a rapid rise in the brain proteins
linked to Alzheimer’s disease, according to a study in mice. Just
three days of stress caused an abrupt 42% increase in brain proteins
thought to cause the disease. The study helps to shed light on
why people who experience great stress and anxiety appear more
prone to this illness, experts say.
Read
more. Source: New Scientist |
Walnuts 'combat unhealthy fats'
(Oct 12, 2006)
Eating walnuts at the end of a meal may help cut the damage that
fatty food can do to the arteries, research suggests. It is thought
that the nuts are rich in compounds that reduce hardening of the
arteries, and keep them flexible. A team from Barcelona's Hospital
Clinico recommend eating around eight walnuts a day.
Read
more. Source: BBC |
Black tea 'soothes away stress'
(Oct 5, 2006)
Scientists have proved what many tea drinkers already know –
a regular cuppa can help you recover more quickly from the stresses
of everyday life. A team at University College London found black
tea helps to cut levels of the stress hormone cortisol circulating
in the blood. They found people who drank tea were able to de-stress
more quickly than those who drank a fake tea substitute.
Read
more. Source: BBC |
Overeating 'like drug addiction'
(Oct 3, 2006)
For obese people overeating is akin to drug addiction, research
suggests. Scans on overweight people revealed the regions of the
brain that controlled satiety were the same those in drug addicts
craving drugs. The US team who carried out the research said the
findings could potentially help to uncover new treatments for
obesity.
Read
more. Source: BBC |
Ageing may be a lifestyle 'choice' for
bacteria
(Sep 27, 2006)
Ageing may be a strategic “choice” for bacteria, since poor nutrition
can lead to immortality in the single-celled organisms, a mathematical
modelling study predicts. In 2005, their mortality was declared,
after bacteria were shown to get old and die. That obituary is
now looking premature.
Read
more. Source: New Scientist |
Vitamin D 'slashes cancer risk'
(Sep 17, 2006)
Taking vitamin D tablets could substantially reduce the risk of
pancreatic cancer, research suggests. US scientists found taking
the tablets cut the risk of a disease, which has a poor prognosis
in almost half of cases. There are more than 3,600 new cases of
pancreatic cancer in women and more than 3,500 in men in the UK
each year. Surgery is not often effective.
Read
more. Source: BBC |
Alzheimer's 'self-defence found'
(Sep 12, 2006)
Researchers believe that they have found how the body protects
itself against diseases like Alzheimer's. International experts
found a brain enzyme that "snips apart" tangles of a protein linked
to a decline in mental abilities and brain cell death. The scientists
said that, in the future, drugs could be used to enhance this
natural defence mechanism.
Read
more. Source: BBC |
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