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.
Why evening is the best time to exercise. Everyone knows how important it is to fit some exercise into a busy working week. But now it appears that the time you choose for a strenuous workout is crucial in determining its effectiveness. Scientists say that those who go to the gym - or for a jog - after work are likely to attain a higher level of fitness than those who exercise first thing in the morning. They found that the body's metabolism seems to adapt better to a keep-fit routine in the evening or night-time.