despite medical warnings a number of americans still use tobacco U.S. Surgeon General announces definitive link between smoking and cancer | January 11, 1964 New signs about the dangers

Extensive research indicates that nicotine can expedite reaction time, improve working memory, and sharpen focus and attention

Infections Smoking interferes with the normal function of the immune system and increases the risk for viral and bacterial infections, including respiratory infections, urinary tract infections, and sexually transmitted diseases

All men are smokers who have indicated a willingness to quit smoking

Researchers reported changes in the expression levels of 123 genes when reconstituted lung tissue was exposed to cigarette smoke, compared to only two genes that could be confirmed following exposure to e-cigarette aerosols, according to a press release

It is the number 1 preventable cause of death in the world and can kill you in a number of ways