Brain scans of obese show hunger hormone at work
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Giving the body's natural appetite suppressant to morbidly obese volunteers de-activated their brain's response to tasty food -- and the new brain activity lasted for as long as the hormone was delivered, U.S. researchers reported on Monday.
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That&#39;s the message from a large study being released today. It confirms earlier research suggesting that sleep deprivation promotes weight gain.
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THURSDAY, Oct. 25 (HealthDay News) -- A new study provides more evidence that dopamine -- a brain chemical associated with reward, pleasure, movement and motivation -- plays a role in obesity.
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Eating fast food more than twice a week has strong links with weight gain and insulin resistance, a US study shows.
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A new study gives the strongest evidence yet that obesity surgery can cure diabetes.
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A new study has found that leptin plays a critical role in womenâs reproductive and neuroendocrine health and suggests a future for the hormone in treating a number of conditions including exercise-induced bone loss, eating disorders and some cases of
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Brain scans reveal how the brain gets 'tired and over-emotional' when someone is deprived of sleep.
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Aug. 18, 2004 -- Millions of people are affected by anxiety and sleep disorders. Now, researchers may be one step closer to understanding -- and eventually resolving -- these complicated conditions after studying a newly discovered brain protein.
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Obesity is considered a major public health problem today, but a number of scientists are coming to see it as a comparative blessing, given the alternative.
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BOSTON - An appetite-curbing hormone that failed to live up to its early buzz as a possible key to slowing obesity is now being probed as a potential aid for women who suffer from infertility and eating disorders.   "This represents essentially a new era for leptin," said Dr...
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BOSTON Oct. 5, 2004 - An appetite-curbing hormone that failed to live up to its early buzz as a possible key to slowing obesity is now being probed as a potential aid for women who suffer from infertility and eating disorders.
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NEW YORK  - A gene that encodes a protein  called lipin seems to promote obesity in mice, even when food  intake remains stable, according to researchers at the  University of California, Los Angeles.
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The same brain circuits are involved  when obese people fill their stomachs as when drug addicts  think about drugs, a finding that suggests overeating and  addiction may be linked, U.S. researchers reported on Monday.
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NEW YORK  - Obese patients typically show  poor sensitivity to the hormone insulin, a problem that can  lead to diabetes. Previous reports have shown that weight loss  surgery can improve this sensitivity and now, new research  indicates that the type of surgery determines how fast this  problem is fixed.
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Eating a high-fat, high-carb  fast food meal produces damaging cellular changes that are  greater and longer-lasting in obese people than in  normal-weight people, a new study shows.
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Female sex hormones in the womb may influence neurodevelopment and later risk for anorexia, a new study suggests.
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Why some people struggle more than others to shed pounds is a mystery that perplexes scientists and frustrates dieters, who are often blamed for lack of willpower.