12-28-2008
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#412 (permalink)
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North of Sydney Australia
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Re: Obesity: Why are we getting fat? :epizza:
Quote:
Originally Posted by cooloola
getting back to obesity and viral causes - last semester one of my professors said that when in doubt about a cause of disease blame the virus (apparently quite common in the field)- it can't be proven yet keeps everyone happy till the actual cause is found.....
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He could be right
However that kind of close minded and dismissive attitude will prevent him from examining the evidence
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Quote:
FIGHTING OBESITY
The hot word in obesity for this year is "leptin." When the connection between this hormone and weight loss was first discovered in 1994, researchers helped fat, overfed lab mice stay slim.
And they believed they could do with people what they did with mice: inject some leptin, and kiss pounds goodbye.
Humans, it turned out, were more complicated.
When they lost weight, their bodies became stingier with calories consumed and more efficient in retaining existing weight. Not willing to give up on leptin, scientists at Columbia University Medical Center in New York City started looking at the hormone as a possible weight-loss-maintenance drug.
They discovered through scans that brain activity in areas connected to restraint and control declines after weight loss. Hike leptin levels, however, and those brain areas become more active.
Researchers now see new possibilities for leptin in long-term weight control.
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Video at site
What Will '09 Bring In Medicine?, Expert On Likely Directions In Treatment Of Obesity, Cancer, Infections, Brain Diseases, And Aging Skin - CBS News |
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