科学美国人60秒 讨厌西兰花可能与你的基因有关（在线收听）

This is Scientific American's 60-second Science, I'm Christopher Intagliata.

这里是科学美国人——60秒科学系列，我是克里斯托弗·因塔格里塔。

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

如果你患有心脏病，医生可能会告诉你多吃蔬菜。但这种策略的效果有限。

"Getting people to change their diets is actually pretty hard. These are lessons I would give over and over again.

“让人们改变饮食相当困难。这是我一遍又一遍传授地经验。

And I would think, 'Why is this so hard to do?'"

我会思考，为什么这如此艰难？”

Jennifer L. Smith is a nurse researcher at the University of Kentucky

肯塔基大学的护理研究员詹妮弗·L·史密斯说到，

who now has a preliminary answer about why change is so hard: it might depend on your genes.

她现在对改变如此艰难的原因有了初步答案：这可能取决于你的基因。

Specifically, whether or not you're genetically predisposed to perceive bitterness—and therefore bitter veggies.

具体来说，即你的基因是否易于感知苦味，能否接受苦味蔬菜。