BLACK VOICES
03/19/2013 03:27 pm ET

People Who Taste Too Much

There is a good reason why kale evokes such strong feelings in different people.

What is harshly bitter to some 25% of the world—often classified as "supertasters"—is barely bitter to about another third. The rest of us fall somewhere in between. Such stark differences in how we perceive taste are programmed into our DNA.

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