Liver hormone may be the off-switch for sweet-tooth, cocktail cravings

Gimmicky diets, flavor fakery, and sham sweets all try to bamboozle the brain out of wanting sugary treats and calorie-packed happy hour drinks. But scientists may have found an all-natural way to simply switch off those corrupting cravings. When researchers gave mice and monkeys an added dose of a mammalian liver hormone called Fibroblast growth factor 21 (FGF21), both species voluntarily went off sweets, even artificial ones.
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