Laugh is a strong and powerfull forces that has the most positive effect on the body. 1. It improves breathing. 2. Lower blood pressure. 3. Strengtherns the immune system. 4. Relaxes muscles pain. This supreme Medicine need no prescription and is free. We have had this effective force within us all time. Nb. Unashauriwa kutuma atleast 20minutes kwa kucheka per day.