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Physical characteristics

Middle-aged adults may begin to show visible signs of aging. This process can be more rapid in women who have osteoporosis. Changes might occur in the nervous system. The ability to perform complex tasks remains intact. In the normal range of 40 to 50, women experience menopause, which ends natural fertility. Menopause can have many side effects. Changes can occur to skin, and other changes may include a decline in physical fitness, including a reduction in aerobic performance, a decrease in maximal heart rate, and graying and loss of hair. Sensory sensitivity in middle-aged adults has been shown to be one of the lowest. These measurements are generalities, and people may exhibit changes at different rates and times.