Because the half-life of nicotine is minutes, when the number of smokers drops to 30%, smokers will have obvious reactions, and they feel empty.
Instinctively stimulates you to smoke another cigarette, which takes about five minutes, plus the time for the smoke-free reaction to appear, which is 45 minutes.
In addition to sleeping, ordinary people spend about 15 hours a day, just over 20 cigarettes. Some people use science to benefit mankind, while others use science to harvest leeks to the maximum extent. Many people smoke for themselves.
In fact, it is the cigarettes that control you, and the number of cigarettes a day is clearly arranged for you.
