. what is middle age
Middle age is the period of age beyond young adulthood but before the onset of old age.Various attempts have been made to define this age, which is around the third quarter of the average life span of human beings.lder-aged adults often show visible signs of aging such as loss of skin elasticity and graying of the hair. Physical fitness usually wanes, with a 5â10 kg (10â20 lb) accumulation of body fat, reduction in aerobic performance and a decrease in maximal heart rate.