Why does tickling make us Laugh?

Tickling is a funny and pleasurable sensation that many people feel when touched gently at certain parts of the body such as the armpits, the sides of the body, aboveb the waist, and the soles of the feet. The usual reaction is a pleasant sensation accompanied by laughter.

lthough the phenomenon of laughing is not well understood, it has been suggested that touching certain small tune nerve ending just beneath the surface of the skin which produces this funny sensation. In addition the pulse quickens blood pressure rises a body becomes keyed up and alert.

ne of the odd things about tickling is that you cannot do it to yourself, and not all individuals react the same way. As people age, their response to tickling lessens.