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Love Potion No. 9: Top 5 Love Chemicals in the Brain

Those crazy behaviors people exhibit when in love are often chalked up to fate, but science attributes them to a cocktail of chemicals buzzing around our brains. When love overwhelms our actions, which five neurochemicals are largely to blame?

The Look of Love: Top 5 Physical Signs of Attraction

Even if you can't describe your ideal romantic partner, you'll know him or her on sight. Your body will produce physical signs that grab your attention and direct it toward the crush in question. Which lovesick symptoms should you look out for?

10 Signs You're Not Happy

Snapping at your best friend and zoning out in front of the TV for hours might be more than a case of the Mondays. If you can't sleep and you're consumed by stress, you might be unhappy.

The Science of Sex

Of all human activities, sex is possibly the ultimate mind-body experience. Which senses and body parts -- from head to toe -- does male and female sexual attraction engage?