AdvertisementCheck Out Life Spans Around The World — And Likely Years Of Ill HealthSeptember 05, 2015Susan BrinkfacebookEmailRonnie Sherman (left), Jerry Feiner (second from left) and other seniors take part in a Hatha aqua yoga class led by yoga instructor Rebecca Watson (second from right) at Balfour at Riverfront Park in Denver in July. (Denver Post via Getty Images)
