Every time a Burmese python swallows a meal, something remarkable happens inside its body. Its heart expands by a quarter.

Researchers have found a metabolite in Burmese pythons that suppresses appetite in mice without some of GLP-1's side effects. And humans make it, too.

Researchers find snake metabolite that suppresses appetite of obese mice ‘without some of side-effects’ of GLP-1 drugs ...