Leptin Molecules. Leptin is a hormone associated with the regulation of body weight.

About Us

The Obesity, Metabolism, and Nutrition Institute (OMNI) is a multidisciplinary research and education center at Massachusetts General Hospital focused on obesity and its related disorders.

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Contact Us

Obesity, Metabolism, and Nutrition Institute (OMNI) Building 149

149 13th StreetRoom 8219Boston, MA 02129
  •  Near Public Transit
  •  Handicapped Accessible
  • Phone: 617-724-2107

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