Tar is the main cause of small cell and non-small cell lung cancer and contributes to 80 percent and 90 percent of lung cancer deaths in women and men, respectively
Morbidity and Mortality Weekly Report, 2010
5) Affecting Teenagers: E-cigarettes are marketed as they are not harmful and contain only flavoring agents
Consequently, to quantify the link between smoking and testosterone levels in men, we studied the impact of serum cotinine levels on total testosterone levels in adult men using data from the National Health and Nutrition Examination (NHANES) database from 2011 to 2016
In addition to the plethora of negative health effects caused by smoking (damaging arteries, impotence, tissue damage and blocking blood flow, among many others), the way smoking alters the brains chemistry is strikingly similar to what long-term alcohol abuse does
both these conditions greatly affect daily activities and general healthiness