Dr Blumberg believes the compound interferes with the body's normal fat-formation process, and puts its fat-storage mechanism on overdrive, plumping up the person.

ECONOMIST: Obesity

Expecting an unrestricted food supply to persist, it downgrades its leptin levels in order to maximise fat consumption and storage.

ECONOMIST: Obesity

Next to them is a big fat bin labelled "energy storage", and it's virtually empty.

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