Keep on walking, keep on living.
D000368:Aged; D000369:Aged, 80 and over; D015444:Exercise; D005260:Female; D006331:Heart Diseases / Q000401:mortality / Q000517:prevention & control; D006801:Humans; D008136:Longevity; D008297:Male; D008875:Middle Aged; D009369:Neoplasms / Q000401:mortality; D016138:Walking