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Why Smokers Are Weak and Thin - Scientists Find out the Cause of low weight among smokers -

Smokers have usually less weight than non-smokers. Those persons who smoke heavily are thinner and weaker. They tire easily. They have less stamina and they are prone to many dangerous diseases like coronary heart disease and lung cancer. It is known that nicotine is a component of cigarette and nicotine act as an appetite suppressant that is those people who smoke regularly eat less.

But now US scientists have figured out exactly how nicotine acts as an appetite suppressant in the brain, a finding that could one day help in the fight against obesity.

Smokers tend to be thinner than people who don't smoke, and the study led by Yale University and published in the journal Science describes how nicotine activates certain neurons in a part of the brain called the hypothalamus.

Those neurons tell the body when it's had enough to eat, according to senior author Marina Picciotto, a professor of neurobiology and pharmacology at Yale.

"Many people say they won't quit smoking because they'll gain weight. Ultimately, we would like to help people maintain their body weight when they kick the habit and perhaps help non-smokers who are struggling with obesity."

Researchers made the discovery by studying mice, but are hopeful that similar receptors can be isolated in humans, too.

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