Taking your second chances to heart

The You Docs

Jill A. Davis, a writer for the original “David Letterman Show,” who went on to become a bestselling novelist, points out that, “Second chances do come your way. Like trains, they arrive and depart regularly. Recognizing the ones that matter is the trick.”

Unfortunately, it’s a trick that not many of the 605,000 Americans who are recovering from their first heart attack in any given year seem to ha…