Even if youre not a smoker this can be damaging to your health as well as your clothes
The body produces a protein called collagen to repair the damaged skin, which leads to a scar
Helping existing smokers to quit is important, says Dr Hopkinson, who also chairs the Action on Smoking and Health campaign group, but "the most vital element" is to prevent young people from starting in the first place
In contrast, a recent study, focused on more than 2 million women, has shown that women with both a family history of smoking and smoking themselves have higher risk of endometriosis than the general population (incidence rate ratio, IRR=4.28
These unflavored or lightly flavored tobaccos deliver clean burns and mild taste profiles, making them popular among value-conscious pipe smokers