Loss of scalp hair in patches should be evaluated by a dermatologist. As the body ages, body tissue becomes less muscular and body fat increases. In men, this extra fat is often deposited in the abdominal area. This shift from muscle to fat occurs as a result of several interacting factors. These hormonal changes along with diet, exercise and genetic predisposition interact to cause a change in body composition.
Extra weight is unhealthy.
This is particularly true for people with excess fat in the abdomen or upper body. The distribution of body fat in these areas is associated with an increased risk of heart disease. An extreme form of changing body composition occurs in the medical condition called Cushing's syndrome. In this condition the body is exposed to chronic, very high levels of the catabolic hormone cortisol. Excess fat is deposited in the abdomen, neck and face while the muscles of the arms and legs waste.