Many people are aware that pink eye is a highly infectious condition, but how long is pink eye contagious? People with this condition are contagious for up to 14 days, in the case of viral conjunctivitis, and up to 24 hours after an antibiotic is started with bacterial conjunctivitis. You should limit contact during this period (typically until there is no more eye discharge).
We know that when you smoke a cigarette you are absorbing about 1 mg of nicotine. If you smoke a half pack per day, your are taking in about 10 mg of nicotine per day. Pack per day smokers are taking in about 20 mg of nicotine per day. Those with a two-pack habit are taking in 40 mg per day and so on and so forth.
Cigarettes, cigars, and other tobacco products vary widely in their content of nicotine, cancer-causing substances, and other toxicants. In a cigarette (which contains 0.49 to 0.89 gram of tobacco), the nicotine content can vary between 13.79 and 22.68 milligrams per gram of dry tobacco (12, 13).