DrSugar is in the house and he's answering your health questions. Dear DrSugar, I have been smoking ever since college, which I know is dumb, but I just haven't been able to cut the habit. I started smoking only at parties, but now I'm at about a half pack a day for the last few years. I'm totally healthy otherwise. I go to the gym three or four times a week and try to eat healthy. What do you Read more