The sound of laughter ranges from short, broken vocal spurts to the full-blown belly laugh. When we laugh, our eyes seem to brighten and sparkle due to moisture produced by the tear glands. Following a good laugh, our muscles are weak and our pulse rate is increased. When we laugh we can get rid of tension and feel more relaxed. We are born with the capacity for laughter.
Infants begin smiling when they are two months old and laughing when they are four months old.
Even the ancient Greeks knew that laughter was important to man, and sent their sick to see comedians as part of their treatment. Laughter, the Best Medicine appears in a. Saturday Review. One common cause of laughter is a. a sense of well-being. The first stage of laughter is a. lowering the head. Laughter a. always sounds the same.