WASHINGTON — So a scientist walks into a shopping mall to watch people laugh. There's no punchline. Laughter is a serious scientific subject, one that researchers are still trying to figure out.

A new study has shown that laughter may be one of the simplest exercises that has similar effects on the body as pumping iron in the gym. Researchers have named “Laughercise” as significant elevators ...

Lynne A Barker does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

Laughter as medicine? New trial finds laughter exercise as effective as artificial tears in relieving dry eye symptoms, offering a fun alternative for patients. Study: Effect of laughter exercise ...