Study: Caffeine May Alter Estrogen Levels in Women

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For women, that morning cup o’ joe may act as more than just a pick-me-up.

Are You a Hyperpolyglot? The Secrets of Language Superlearners

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The author of Babel No More explains what it takes to become super-multilingual.

Teen Wishing to Donate to Locks of Love Is Suspended for Violating School’s Hair Policy for Boys

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J.T. Gaskins says his Michigan high school should amend its policy to allow boys to grow their hair long for charitable causes.

Updated Guidelines for Treating Babies Exposed to Drugs in the Womb

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The question of how best to help babies who have been exposed to drugs in the womb — including prescription pain medications, antidepressants and illicit drugs like methamphetamine and cocaine — can be an emotionally charged issue.

Study: Colored Labels Help Cafeteria-Goers Eat Healthier

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Simple but effective: red, yellow and green labels on food help diners make better choices.

‘Mind Reading’: Q&A with Susan Cain on the Power of Introverts

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Are you the quiet, retiring type? You're not alone. To find out more, read TIME's cover story, "The Upside of Being an Introvert," available to subscribers here.

Growing Up: Free-Range Kids or Smother Mother?

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How's a parent to know when a child is old enough to cross the street — or, in Laura Dekker's case, the ocean — alone?

Study: Why Words With Many Meanings Make Language More Efficient

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Why do so many words have so many meanings? And why doesn't that just confuse us more in conversation?

Why Home Births Are on the Rise

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The key to a successful planned home birth? Flexibility.

Men Are More Likely to Have Oral HPV than Women

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A rise in oral sex may be pushing up HPV infection rates in men, along with head and neck cancers caused by the virus.