By The Washington Post
“Fitness standards change as men grow older.”
Read the entire article: http://www.washingtonpost.com/national/health-science/mens-health-what-is-fit-for-your-age/2013/10/21/e9555634-3aad-11e3-b7ba-503fb5822c3e_graphic.html
Men’s health: What is fit for your age?