cigarette smoking and cardiovascular disease Figure 1 from health: a review of the epidemiology, pathogenesis, prevention and control of tobacco Tobacco and Chronic Disease –

I say there may be such tow-lines

Among middle-aged men, 46% of smokers develop cardiovascular disease compared to only 36% of non-smokers

Statements on human and animal rights All procedures involving animals were performed in an AAALAC (American Association for the Accreditation of Laboratory Animal Care) accredited, AVA (Agri-Food & Veterinary Authority of Singapore) licensed facility with approval from an Institutional Animal Care and Use Committee, and performed in compliance with guidelines set by the National Advisory Committee for Laboratory Animal Research (NACLAR, 2004)

Horn estimates that since 1966 one smoker in five has quit the habit