A 42-year-old member asked:

What are leptin and insulin hormones?

1 doctor answer3 doctors weighed in
Dr. Alan Ali
Dr. Alan Alianswered
Psychiatry 34 years experience
Leptin: Is a hormone that regulates energy intake & expenditure, including appetite & metabolism. It acts on the hypothalamus part of the brain where it inhibits appetite by counbteracting the effects of neuropeptide y & anandamide (both are feeding stimulants, and also by increasing synthesis of the appetite suppressant alpha-msh. Lack of leptin causes uncontrollable food intake & obesity.
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Last updated Feb 22, 2013
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