Among those born during 1920-45 (median 1933) and who started smoking before age 20 years, men smoked on average 23 cigarettes/day, while women smoked 17 cigarettes/day, and, for those who continued smoking, overall mortality was more than doubled in both sexes (rate ratios versus never smokers: men 2.21 (95% confidence interval 1.97 to 2.48), women 2.61 (1.98 to 3.44)) and life expectancy was reduced by almost a decade (8 years for men, 10 years for women)
People smoke for the nicotine, but contrary to what the vast majority believe, nicotine causes little if any of the harm
For example, smoking is significantly associated with increased risk of depression, which is a common disease in migraine [95,96,97]
Holds 740 loose cigarettes