Smoking & death in British doctors aged 70-89 during the 1950s, 1970s & 1990s:

large improvement among non-smokers wholly nullified among cigarette smokers

Period studied Prob. survival from 70-90(& mean birth year) Non-smoker Cigt Smoker

1950s (1875) 12% 10%

1970s 20% 7%

1990s (1915) 33% 7%Doll, Peto et al. BMJ 26/06/04