(woman) major funding for "life (part 2)" was provided by: the atlantic philanthropies-- supporting older adults in living lives of purpose; and by metlife foundation-- celebrating the wisdom, talent, and experience of older adults. metlife foundation proudly supports "life (part 2)" [bass & percussion instruments play in syncopated rhythm] ♪ ♪ ♪ ♪ welcome to "life (part 2)." i'm alan rosenberg. have you been to the doctor lately because you pulled something or because what used to hurt a little now hurts a lot? well, you're not alone. baby boomers are falling apart, but we can't stop exercising, right, because that's bad for us? and modern medicine can fix anything, right? well, maybe not. here's how one dedicated runner is dealing with the baffling contradictions. my name is john hobby. i'm an attorney in brooklyn, new york, and i'm 50 years old. (man laughs) how does that make you feel? ooold! growing up, i played lots of different sports. i played a lot of basketball. i played baseball and football. for the most part now, i run long distances, usually 2 or 3 times a week, i do some we