Inside the Mind

What are dreams really made of? Are humans the smartest animal? What causes schizophrenia? Travel inside the mind and find out how the human brain works.

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How Sleep Works

Every animal sleeps -- some more than others -- but why they do it is a mystery to scientists. Is sleep more than just beauty rest? Could skimping on it kill you? And how much do you really need?

How Laughter Works

In this article, we'll look at laughter -- what it is, what happens in our brains when we laugh, what makes us laugh and how it can make us healthier and happier. You'll also learn that there's a tremendous amount that no one understands yet.

Can you lose weight faster if someone pays you to do it?

Anything that motivates you to better health is a good thing, right? But could cold hard cash actually be the "magic bullet" so many dieters seek?


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