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.
Cigarette smoke contains over 4,000 chemicals, including 43 known cancer-causing (carcinogenic) compounds and 400 other toxins. These cigarette ingredients include nicotine, tar, and carbon monoxide, as well as formaldehyde, ammonia, hydrogen cyanide, arsenic, and DDT. Nicotine is highly addictive. Smoke containing nicotine is inhaled into the lungs, and the nicotine reaches your brain in just six seconds.