Source - http://www.forbes.com/
By - Pharma & Healthcare
Category - Hotel Near Miami Beach
Posted By - Inn and Suites In West Miami
By - Pharma & Healthcare
Category - Hotel Near Miami Beach
Posted By - Inn and Suites In West Miami
Hotel Near Miami Beach |
An enticing new study from BMC Medicine reports
that people over 55 who drink a little alcohol, averaging about a glass
– generally of wine – per day, are less likely to be clinically
depressed than those who drink more and those who don’t drink at all.
The study comes in direct contrast to many earlier studies
that have found an opposite effect: That drinking is more often
associated with increased risk for depression. While are some legitimate
reasons that wine could have some slight beneficial effects on
depression risk, before you go picking up the habit if it’s not already
there, it’s important to understand not only the reasons behind the
connection, but also the risks involved.
The new study followed 5,000 Spanish men and women between 55 and 80
for about seven years, periodically querying them about their lifestyle
habits via questionnaires and doctor visits. No one suffered from
depression or alcohol use disorders at the beginning of the study. At
the end of the seven years, about 443 people had become depressed.
It turned out that low-to-moderate alcohol consumption was linked to
reduced risk of depression: People who drank between two and seven
glasses of wine per week seemed to derive the greatest benefit, having a
third the risk of being depressed as people who did not drink. Moderate
drinkers also had lower risk of depression, but it wasn’t as large as
the low-to-moderate group. The results held true even after multiple
lifestyle factors were controlled for, such as smoking, marital status,
age, physical activity level, and diet, which can all influence
depression risk. Heavy drinkers seemed to have an increased risk of depression, although there were too few of these people in the study to say for sure.
If the connection really does exist, one explanation might have to do
with the neuroprotective effects of the antioxidants in wine, like
resveratrol, which has gotten a lot of attention in recent years. “Lower
amounts of alcohol intake might exert protection in a similar way to
what has been observed for coronary heart disease,” said author Miguel
A. Martínez-González in a statement. “In fact, it is believed that
depression and coronary heart disease share some common disease
mechanisms.” The mechanisms Martínez-González mentions have to do with
inflammation, which is known to be a central cause of heart disease, and
there is increasing evidence for its role in depression
as well. The polyphenol antioxidants in wine could help repair
inflammatory damage to the brain that has contributed to depression.
“Previous investigations suggest that the hippocampal complex may
play a role in the development of major depression,” say the authors.
“This neuroprotection applied to the hippocampus may prevent moderate
wine drinkers from developing depression.”
Another explanation, which is unrelated to the content of wine, might
have to do with social factors, which have long been known to influence
depression risk. People who enjoy a glass of wine or two might be more
likely to be doing so in a crowd of people. Write the authors, the
study’s cohort “includes an older, traditional Spanish Mediterranean
population, that consumed chiefly wine, and mainly in a context of
socialization with family or friends.” Enjoying a rich social life has
been well illustrated to reduced depression risk, and could easily
influence the results seen here.
Finally, also important to keep in mind is the large body
of evidence suggesting that alcohol and depression are linked
adversely, with one increasing the risk of the other. It may also be the
case that some people, because of genes and environment, are
predisposed to problems with both – so in essence there could be a third
variable at play, which might increase one’s likelihood of alcohol use
and of depression.
For all of these reasons, the results should be taken with caution.
This is especially true since they were, after all, derived from a
relatively restricted sample of people in a Spanish Mediterranean
population, none of whom had ever had depression, and who were all over
55 years old. So how the results would relate, if at all, to a more
inclusive sample is largely unknown.
As with most studies looking at a particular ingestible item – wine,
coffee, sugar, fat – to look for a single answer is perhaps naïve.
Alcohol does not likely reduce the risk of depression across the board,
since there are so many other variables, like quantity, type, and
existing health and mental health conditions. So the best advice might
be that if you enjoy a glass of red wine every now and then, you might
do well to continue for the health of your heart and brain. But if
you’re not a fan, it’s not worth picking up the habit, since it carries
with it a number of risks that just aren’t worth messing around with.
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