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Published online 18 January 2001 | Nature | doi:10.1038/news010118-7

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Link found between diabetes and obesity

A new hormone could explain why eight in ten diabetics are obese.

More than 80% of diabetics are also obese, but a link between the two conditions has proved difficult to find. Now, in a series of experiments with mice, Mitchell Lazar and his colleagues at the University of Pennsylvania School of Medicine, Philadelphia, show that a protein called resistin, which is produced by fat cells, plays a role in diabetes.

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