[ 2007-02-16 09:56 ]
Daily, moderate drinking could almost halve the
risk of developing Alzheimer's disease or other types of dementia, according to
The finding adds to a growing body of evidence for the health benefits of
moderate drinking, which is already known to protect against heart disease and
The study, published this week in The Lancet medical journal, also found that
it doesn't seem to matter what people drink - the effect is the same.
Experts say moderation - between one and three drinks a day - is the key.
The adverse effect of excess alcohol is beyond question.
Researchers suggested the blood-thinning and cholesterol-lowering properties
of ethanol in alcohol may ward off dementia, which is often caused by a blood
Another possibility, the study speculated, is that low levels of alcohol
could stimulate the release acetylcholine, a brain chemical believed to
facilitate learning and memory.
（北京林业大学通讯员邢元媛供稿 英语点津 Annabel 编辑）