Emotions

Laughter may be the best medicine, but can it actually cure an illness? Some doctors are prescribing a daily case of the giggles along with conventional treatments.

By Victoria Vogt

The Declaration of Independence is one of the most significant documents in American history. However, the origin of one of its signature phrases -- the pursuit of happiness -- is shrouded in mystery.

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

If you want to quantify how happy someone is, do you count the number of smiles he or she cracks in a single day? Some researchers are stumped as to how happiness can be measured.

By Cristen Conger

The authors of chain emails often tell you to smile more, with the added claim that it takes more muscles to frown. Ever questioned this piece of wisdom? We have an answer for you.

By Tom Scheve

Smiling isn't complicated: your mouth turns up, your cheeks lift and your eyes crinkle. You're happy and it shows. But can every smile -- even a fake one -- spread that cheerful feeling?

By Julia Layton

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

What are your happiest childhood memories? What do you remember most about them -- the things you bought or the gifts you received, or the events themselves?

By Josh Clark

From giggles to guffaws and chuckles to cackles, humans laugh in a lot of different ways. But what do each of those laughs mean, and are they all related to humor?

By Molly Edmonds & Joseph Miller

From an adult's point of view, kids have it made, spending their days playing and goofing off, with no responsibilities to worry about. But are kids really jumping for joy more often than the rest of us?

By Tom Scheve

Normally, we laugh because something's funny, but sometimes laughter can be something more serious -- a medical symptom. What separates a hearty guffaw from a signal of poor health?

By Victoria Vogt

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.

By Marshall Brain

Kanye West says he says sees music in color. Other people can hear words that make them taste a particular flavor, or they actually feel another person's pain. Welcome to the world of the synesthete. It's a stimulating one.

By Kate Kershner

The great bullies that have graced the movie and television screen are mostly males, from Bluto to Biff Tannen. We tend to expect boys to throw the punches. But just because girls aren't bloodying noses on the playground doesn't mean they aren't fighting dirty.

By Molly Edmonds

Happiness is a wonderful thing. Unfortunately, it can also be elusive due to stress or depression. However, strategies abound that you can use to trick yourself into being happy. Ready for 10 of them?

By Josh Clark & Jessika Toothman

We need food for sustenance and nutrition, but we also eat for pleasure. We like the way some things taste, and enjoy the experience of eating, but can food actually make us happy?

By Josh Clark

Clowns might seem to have more foes than friends, but these entertainers are a key part of laughter therapy in hospitals. There is increasing evidence that a few hearty chuckles can help you along the road to recovery.

By Molly Edmonds

Traditional psychology has proven effective in studying and treating mental illness. However, some in the field want to study what makes patients happy instead of what makes them miserable.

By Josh Clark

Exercise, hot peppers, sex: All of these things are said to give you an endorphin rush. What's the science behind this chemical high -- and how do you keep it going?

By Tom Scheve

There's no doubt that humans are a violent species. The real question is: Why? Are some people wired differently than others? Is it a matter of survival? Or are we just taking our frustrations out on others in violent ways?

By Jonathan Strickland

Are looking for ways of raising your self-esteem? Check out what we have uncovered for elevating your self-esteem in this article.

By DiscoveryHealth.com writers

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

You think you'd know what happiness was -- you've felt it before, right? Not quite. It turns out that the definition of happiness pretty much depends on who's defining it.

By Josh Clark

Studies seem to indicate that men are more likely to harbor violent tendencies than women. What factors do researchers use to come to these conclusions, and most importantly, is it true that men are more violent?

By Jonathan Strickland