Emotions

What are the health benefits of laughter? What is happening in the brain when you're in love? What are the effects of isolation on the mind? Find out in these articles about human emotion.

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Maybe. A study that wasn't even about kissing turned out to (sort of) give the answer.

By Michelle Konstantinovsky

Ever had a "woulda, shoulda, coulda" feeling about something? It's called regret. What really triggers this emotion — and can we trust it?

By Dave Roos

It's not just your imagination — people feel freer to bail out on others at the last minute than they used to. But why?

By Danielle Douez

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A new study shows that mothers prefer daughters and fathers prefer sons, regardless of economic background, contradicting an earlier well-known hypothesis.

By Alia Hoyt

The Scandinavian countries tend to come out on top in the World Happiness Report. But the report doesn't actually ask participants if they're happy. When that question is included, the country rankings are quite different.

By Dave Roos

What do Donald Trump, Bob Dole and LeBron James have in common? A tendency to talk about themselves in the third person. But is it just egotism or is there a hidden benefit to saying your name rather than "I"?

By Dave Roos

There's a connection between our physical bodies and the way it responds to emotion -- but scientists aren't quite sure what it is. Could it be that happiness is little more than a series of neurochemical responses to the world around us?

By Josh Clark

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Why do we help others, even if we know it will hurt us? As it turns out, the concepts of altruism and selfishness may be linked -- much more so than we thought.

By Josh Clark

Marriage entails waking up beside the one you love and sharing cozy, homemade dinners for two. But when the honeymoon haze clears, are married people happier than singles?

By Cristen Conger

How does a laughter milkshake sound? What about a joy cocktail? Though the former may sound like part of a kid's meal and the latter like a happy hour order, they're both related to laughter yoga.

By Molly Edmonds

We love to play with and fuss over our pets, but have you wondered if they were having as much fun as you were? Can animals actually feel happiness?

By Josh Clark