We all know that one guy that shakes your hand with the jaws of death and tries to crunch your bones just for fun. You can keep your hand intact by touching their wrist with your index finger.

The other person was given a list of emotions, and they had to try to convey each emotion through a one-second touch to the stranger’s forearm ... good reasons why people are inclined to keep their ...

(Read more about why we can’t stop touching our faces ... t spend as long under the tap. One study of hand washing in Haiti and Ethiopia found that a person’s knowledge and awareness ...