Mystery Solved Life

Chili peppers’ pain-relieving secrets uncovered

Scientists trace cascade of proteins involved in quieting nerve signals

chili peppers

HOT STUFF  Capsaicin, the stuff that gives chili peppers their heat, relieves pain by a previously unknown process.

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By Tina Hesman Saey

- More than 2 years ago

Capsaicin, the chemical that makes chili peppers spicy, has long been an ingredient in pain-relief creams, but scientists have only just discovered how the fiery molecule quiets sore nerves, muscles and joints.