“Age is no barrier. It’s a limitation you put on your mind." - Jackie Joyner-Kersee, track and field legend (now 58) “You can’t help getting older, but you don’t have to grow old." - George Burns, legendary comedian, actor (who lived to 100) “I’ve always said that I will never let an old person into my body. That is, I don’t believe in ‘thinking’ old. Don’t program yourself to break down as you a…