tobacco as a carcinogen WorldNoTobaccoDay Did You Know ? smoke is cocktail of over 4500 chemicals,of which 43 are known carcinogens( cancer-causing agents) ^NB You've probably seen a headline

Quitting smoking before the age of 40 can help reduce the risk of dying from smoking-related diseases by about 90% 1

Smoke is a mixture of airborne particles, gases, vapors, and odor-causing compounds created during combustion or smoldering, and it can come from cigars, cigarettes, hookah, cooking, wildfires, and industrial processes

[119] [120] Asthma [edit] A history of asthma in childhood is associated with decreases in adult lung function and higher susceptibility to COPD

ASSIST is based on the diffusion of innovations theory (Rogers, 2003), and is designed to leverage school friendship networks to propagate anti-smoking norms (Campbell et al., 2008)