Sour Genes, Yes—Salty Genes, No

By Janet Raloff, 15:57 PM April 15, 2008

Some people abhor broccoli, complaining about its intensely bitter taste. Others (myself included) find broccoli's flavor interesting and pleasing—decidedly, not bitter. What leads to our differing culinary opinions is the possession of, or lack of, (in my case, evidently) genes conferring a super sensitivity to bitter taste. Science has recognized such genetic differences for at least a decade.

A new study conducted with twins now demonstrates that people can similarly inherit a high or low s...

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