Scientific Research has supported the idea about an optimistic point of view will result in making a person healthy .Good thinking affects your health and heart. Medical science has proven that stress, heart disease and cancer, can be avoided when people feel good about themselves because it stimulates the systems in the body function better and strengthen the immune system. It has been found that the elderly recover faster from illness when they are cheerful. For example, when the children went to visit an old man. Gave him good laugh so it encourages him to get better and takes care of himself when he feels sick.