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Cancer 92 (9), 24842492 (2001)
Among other things, chemicals in cigarette smoke cause the cells that line blood vessels to become swollen and inflamed, which leads to narrowing of those vessels
For example, after one hour of exposure at levels common at caf terraces, a person may experience inflammatory reactions and a significantly decreased lung function 5
If you see "unbleached" on the package, that's a good sign - it means the paper is closer to how it's found in nature
The trial, which involved more than 600 women in Glasgow, found that smokers who were paid up to 400 in shopping vouchers were more than twice as likely to quit