Why is it so hard to stop eating chocolate?

Jennifer Nasser, an associate professor of nutrition sciences at Drexel University, noticed something you may have seen too: “People will say, ‘Oh, I love chocolate, if I eat one piece, I can’t stop.’ ”

So, she partnered with a research biologist at the U.S. Department of Agriculture to find out why. They designed a recently published study in which people ate chocolate, then filled out the same questionnaires used to measure responses to an addictive drug such as morphine.

Click to read the full article and learn about the results at WHYY.org:

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