Psychological, Social and Physical Changes in Aging
In the United States, a substantial amount of elderly adults do function reasonably effectively. But physical impairment does usually accompany the elderly. It should be noted that it is important to distinguish between normal physical changes of aging from physical changes caused by disease.
The physical changes that accompany aging are not necessarily incapacitating, even though they may be discomforting or limiting. The body has less strength and endurance as it ages. The rate of energy production in the body cells is gradually lowered so that people tire ...