Is Catherine Zeta-Jones' Smoking Putting Michael Douglas at Risk?

Photos that appeared in the U.K.'s Daily Mail showed actors Catherine Zeta-Jones and Michael Douglas vacationing in Europe aboard a yacht, and in one, Zeta-Jones holds a cigarette while Douglas walks alongside her. The photo has kicked up its share of controversy about whether such close proximity to a smoker is risky for the 66-year-old actor, who recently underwent treatment for late-stage throat cancer. A number of medical experts have weighed in on the impact Zeta-Jones' smoking could have...Full Story