Q. I have a leaky heart valve that may need surgery down the road. Can you tell me about heart-valve surgery in one of your columns? A. First, let’s explain briefly how the heart works.

The “Dallas Buyers Club” star, 55, and his wife, 41, are also the parents of two sons — Levi, 16, and Livingston, 12. When Vida turned 15 earlier this month, the Oscar winner celebrated his ...