How many chemicals are in cigarettes?

How many chemicals are in cigarettes?

Linda Hyder Ferry (Associate Professor, Preventive Medicine and Family Medicine, Loma Linda University School of Medicine) gives expert video advice on: What are the dangers of smoking?; Is it true smoking leads to premature aging?; How does smoking affect my sex life? and more...

If you looked at a cigarette wrapped up in paper, basically, you've got lots of added chemicals, flavors, tobacco leaves, a little wrapping paper on the outside, and a cotton filter. But, when you light that cigarette, it turns into combustion with tar and all sorts of other heated elements that create up to 4,800 chemicals in every puff on a cigarette.