Aversion to Broccoli May Have Genetic Roots – Scientific American

If you have heart disease, your doctor might tell you, eat more vegetables. A tactic that has limited success. 

“Getting people to change their diets is actually pretty hard. These are lessons I would give over and over again. And I would think, ‘Why is this so hard to do?’”

Jennifer L. Smith is a nurse researcher at the University of Kentucky who now has a preliminary answer about why change is so hard: it might depend on your genes. Specifically, whether or not you’re genetically predisposed to perceive bitterness—and therefore bitter veggies. 

“So broccoli is…