16/11/2011

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When leptin failed to be a wonder solution to obesity, this hormone produced by fat cells, disappeared from the headlines. Twenty years on scientists now believe leptin is critical to how the body works, regulating appetite, the immune response, inflammation and depression. Vivienne Parry investigates.

Producer: Erika Wright.

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30 minutes

Last on

Wed 16 Nov 2011 21:00

Inside Science

BBC Inside Science

Adam Rutherford explores the research that is transforming our world.

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