Taste test: Could sense of taste affect length of life?

Perhaps one of the keys to good health isn't just what you eat but how you taste it. Taste buds – yes, the same ones you may blame for that sweet tooth or French fry craving – may in fact have a powerful role in a long and healthy life – at least for fruit flies, say two new studies that appear in the Proceedings of the National Academy of Sciences of the United States of America.

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