There is no mistaking the onset of aging. Fine wrinkles begin to appear on the face.
Hair starts to turn gray.
The unaided eye encounters problems focusing on nearby objects and eventually loses the ability to distinguish fine details. Men, especially, find it increasingly difficult to hear higher sound frequencies. The heart grows larger while the maximum breathing capacity of the lungs declines. The bladder progressively holds smaller amounts of liquid. Body fat migrates to hips and thighs in women and to the gut in men.