While sitting at your desk make clockwise circles with your right foot. (go ahead no one will see you) While doing this, draw the number “6″ in the air with your right hand.
Your foot will change direction – that is a fact. Pretty interesting, huh?

Laughing lowers levels of stress hormones and strengthens the immune system. Six-year-olds laugh an average of 300 times a day. Adults only laugh 15 to 100 times a day.

(somethinwonderful.blogspot.co.uk)