Everyone becomes senile sooner or later, if he or she lives long enough. American families have by and large abandoned their older members. Depression is a serious problem for older people. The numbers of older people are growing. The vast majority of older people are self-sufficient.
Mental confusion is an inevitable, incurable consequence of old age.
Intelligence declines with age. Sexual urges and activity normally cease around age 55-60. If a person has been smoking for 30 or 40 years, it does no good to quit. Older people should stop exercising and rest. As you grow older, you need more vitamins and minerals to stay healthy.