24 hours no cigarettes Today is #NationalNoSmokingDay World No Tobacco Day on

Undergraduate students from a large research university served as research assistants for data collection

Legal or illegal use of marijuana is not otherwise a cause of deferral. If you use nicotine Smoking cigarettes in and of itself doesnt disqualify you from donating blood

We know that tobacco kills 488,000 people a year in the U.S., Brennan said

Science & Health Alcohol And Tobacco Are More Damaging To Users And Society Than Marijuana Is, Government-Funded Study Concludes Alcohol and tobacco cause far more harms to people who consume them, and to society overall, than marijuana does, according to a new government-funded study

doi:10.1136/bmjopen-2016-012837 22