It's early morning in Laguna Beach, California. Here you find the usual sights and sounds. But wait, what's this?

Welcome to the Laguna Laughter Club, where traditional yoga techniques are enhanced with a few guffaws. No jokes, just laughs.

The hardest part for students is letting their guard down a lot.

"We get a lot of stares. We get a lot of looks. We'll be laughing and doing our silly goofy la la la things and they'll think what's this."

This is a popular new exercise that's not just taking place on beaches. But also in studios, parks and, yards.

"Whether people laugh at us or with us, either way we win."

Sebastien Gendry is director of the American School of Laughter Yoga, an organization that trains people across the U.S. to teach the technique. He started it after a trip to India years ago, where the idea originated, and now estimates there are over 5,000 laughter yoga clubs in over fifty countries.

"I was just taken back."

"My life didn't change, I changed and I decided to go full time in the promotion of this concept."

The concept is similar to traditional yoga, which focuses on stretching and controlled breathing. But according to Gendry, injecting a little giggling creates a more relaxed emotional state, reduces stress, and may actually improve breathing.

"In laughter exercises you go through the physiology of happiness. You flush your lungs for five, 10, 15, 20 or more minutes with fresh oxygen, the fuel that every single cell in your body needs to function."

Whatever the health benefits may be, there's no denying it's fun. But be warned. Once you start you might not be able to stop.