Hot peppers are bursting with capsaicin, a compound most famous for its use as a natural fat fighter and pain reliever. But according to The Happiness Diet authors Tyler Graham and Drew Ramsey, M.D., our brains benefit from the heat-packing compound, too. The human brain is actually loaded with receptors for capsaicin, which release calmness-promoting endorphins, making it easier for us to focus.
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