Starting from our earliest years and onward, family members and friends tickle our feet. There are many theories about why our feet are so ticklish — but tickling in general remains a somewhat ...

Tickling is a very strange sensation because it doesn't depend on your will. That's right, you don't decide whether or not to laugh; your body simply reacts. Your brain doesn't even have a chance to ...

Laughter is one of the joys of life and it helps us connect, which may be why we play peekaboo and tickle games with babies. Whether animals share our sense of joy has been a hot topic in research.