From The Washington Post
If you’re middle-aged or older and you work out, it’s not too long before the question crosses your mind: I wonder if this could kill me?
It certainly has happened before. Jim Fixx, who helped start the fitness revolution with his book “The Complete Book of Running,” famously collapsed and died on a run at age 52. Young, highly conditioned basketball players Reggie Lewis and Hank Gathers died on the court of sudden cardiac problems. And everyone seems to know a story about someone who collapsed during a