In addition, the risks associated with obesity actually decrease with age, which is the opposite of what would happen if obesity were a degenerative disease. Fat is good for us in many ways. We need fat to live. It is a highly effective form of energy storage. Fat protects our vulnerable joints, rounds out our angular edges, provides thermal insulation, and produces hormones essential for women in menstruation and menopause.
Many factors affect health and longevity.
The relationship between weight and health is difficult to pin down. Most studies on health and obesity are based on correlation, not causation. Obesity is correlated with increased risk of hypertension and heart disease and correlated with a lower incidence of some respiratory diseases, osteoporosis, certain infectious diseases, anemia, diabetes type I, suicide, peptic ulcers, and scoliosis. Obesity is also associated with a more favorable prognosis for rheumatoid arthritis, diabetes type II, and hypertension. Numerous other studies on this issue show that the functioning of the human body is extremely complex.