Table of Contents: Jan. 19, 2004

COVER

Love, Sex & Health

Sex arouses fascination and controversy, but it also plays a key role in mental and physical health. In a special issue, TIME explores where science and Cupid meet

BIOLOGY

MATING: Procreation is only one reason we are hardwired for sex 62

SCIENCE OF LUST: How a host of biochemicals fuel the sex drive 68

AND IT'S GOOD FOR YOU TOO: A healthy sex life may lead to a healthier life overall 76

MIND GAMES: Love feels like it stems from the heart, but what's going on in the brain? 80

BEHAVIOR

ANIMAL URGES: Nonhuman sex...

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