The 7 Different Types of Infidelity

Cheating doesn't just happen between the sheets.

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What's Worse: Getting Too Little Sleep or Disrupted Sleep?

Both will make you cranky, but one has a way bigger effect on your a.m. happiness.

Relationships Start With A Smile—Literally

Turns out, the good guys can win after all.

6 Weird Reasons You Can't Sleep

Who knew your toothpaste could keep you up?

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Two-Thirds of the World's Population Has Herpes

Yikes—more than 3.7 billion people under the age of 50 are infected with HSV-1.

The Best Foods to Eat When You're On Your Period

When it's that time of the month and you're hating life, snack smarter to feel better.

This Social Media App Makes You Happiest

You use Facebook, Snapchat, Twitter, and Instagram daily, but which is best for your mental health?