A metabolite found in the blood of pythons could be the inspiration for the next generation of weight loss drugs with fewer side effects. Indiana Jones’ greatest fear may be obesity’s biggest enemy.

Every time a Burmese python swallows a meal, something remarkable happens inside its body. Its heart expands by a quarter. Its metabolism accelerates by a factor of thousands. Organs that had shrunk ...

Add Yahoo as a preferred source to see more of our stories on Google. A molecule in python blood that rises 1,000-fold after feeding and suppresses appetite in mice without the side effects of GLP-1 ...