The machine smokes every cigarette in precisely the same manner. The cigarettes are special research cigarettes. The reason we use research cigarettes is that we want to have them precisely the same composition today, tomorrow and next year when we're doing these studies. Pinkerton needs all that consistency because he wants results that other researchers can reproduce. Outside the lab, that's hard to get.
People smoke different cigarettes in different places and different ways.
So it would be very difficult to really understand what the effects are if the conditions are constantly changing. For Science Today, I'm Steve Tokar. If you want to stay healthy, you'd better get organized. That's one surprising conclusion of a study by psychologist Lillian Cartwright of the University of California, San Francisco, who's followed a group of women doctors for thirty years, since they entered medical school. She found that women who were less organized with their time when young were more likely to be in poor health in middle age.