Posts Tagged ‘what causes cancer’

Responsible for 90% of lung cancers

Tobacco is responsible, directly or indirectly, 60 000 deaths per year (twenty-five thousand for cancer). On average, a smoker live, on average, eight years less than someone who does not smoke. Tobacco, irritating the Mucosa (lining) of the bronchi, promotes the occurrence of chronic bronchitis. It is a progressive obstruction of the bronchial tubes with […]