The amount of blood in a human body varies, depending on factors such as age, sex, overall health and even where a person lives. For example, men tend to have more blood than women of comparable size and weight.
Be as Active as Possible. Regular physical activity and exercise are important to the physical and mental health of almost everyone, including older adults.Staying physically active and exercising regularly can produce long-term health benefits and even improve health for some older people who already have diseases and disabilities.tudies have shown that exercise provides many health benefits and that older adults can gain a lot by staying physically active. Even moderate exercise and physical activity can improve the health of people who are frail or who have diseases that accompany aging.
The American College of Sports Medicine and the CDC recommend, for health, that adults should accumulate 30 minutes of moderate-intensity physical activity on most days of the week, says Kravitz, who is also a coordinator of exercise science at the University of New Mexico.