(credit: Jonathan E. Shaw/Flickr)

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...