Media :
Listen now (18 minutes)
Availability:
Available to listen.
Last broadcast on Mon, 12 Dec 2011, 03:32 on BBC World Service (see all broadcasts).
Synopsis
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.
Broadcasts
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Mon 5 Dec 201119:32
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Tue 6 Dec 201104:32
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Tue 6 Dec 201112:32
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Sun 11 Dec 201122:32
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Mon 12 Dec 201103:32
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