Doctors are starting to believe that laughter not only improves your state of mind, but actually affects your entire physical (36) Britain’s first laughter therapist, Robert Holden says: "Instinctively we know that laughing helps us feel healthy and alive. Each time we laugh we feel better and more (37) " A French newspaper found that in 1930 the French laughed on (38) for nineteen minutes per day. By 1980 this had fallen to six minutes. Eight per cent of the people questioned said that they would like to laugh more. Other (39) suggests that children laugh on average about 400 times a day, but by the time they roach (40) this had been (41) to about fifteen times. Somewhere in the process of growing up we lose an (42) 385 laughs a day. William Fry, a psychiatrist from California studied the (43) of laughter on the body. He got patients to watch funny films, and monitored their blood pressure, heart rate and muscle tone. He found that laughter has a similar effect to physical exercise. (44) It also makes our facial and stomach muscles work. Fry thinks laughter is a type of jogging on the spot. Laughter can even provide a kind of pain relief. Fry had proved that laughter produces endorphin chemicals in the body that relieve pain. Researchers divided forty university students into four groups. The first group listened to a funny cassette for twenty minutes. The other three groups listened to either an informative tape, or a cassette intended to relax them or no tape at all. Researchers found that if they produce pain in the students, (45) Some doctors are convinced that humor should be a part of every medical consultation, (46)