The sound of laughter may make you smile and laugh, British researchers report. "It seems that it's absolutely true that 'laugh and the whole world laughs with you,'" Sophie Scott, Ph.D., says in a ...

We love the sound of laughter - but only if it's spontaneous and open mouthed, a new study reveals today. Scientists discovered laughter is only truly infectious if its an open-mouthed 'ha-ha' rather ...

The sound of laughter can reveal a relationship status, a new research has suggested. Laughter has been known to have many health benefits, such as improving short term memory in older adults by ...