What causes obesity?

FatmouseIs obesity caused by more than eating too much and exercising too little?

A new article in the Proceedings of the National Academy of Sciences describes a genetic variation called ankyrin-B which may cause people to gain weight.   This article by Damaris N. Lorezo and Vann Bennett demonstrates that ankyrin-B deficiency makes mice more likely to become obese with age or when fed a high-fat diet.

Check out additional articles on genetics research in Dr. Charles Macri’s online Genetics Journal Club.

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