Toxic substances hidden in cigarette smoke
Tobacco smoke contains 7,000 chemicals, including hundreds of substances that cause harmful effects on health. According to a report by the American Medical Association, in cigarette smoke there are 69 substances that cause cancer. Some typical harmful substances in cigarette smoke include: Nicotine Nicotine is an addictive substance found in cigarettes. According to the literature, nicotine is absorbed into the bloodstream and affects the brain within about 10 seconds of being inhaled. When the nicotine in cigarette smoke binds to nicotine receptors on nerve cells at the "reward center" in the limbic system, neurotransmitters are released that trigger a series of chemical reactions that create produces many neuropsychiatric effects such as feelings of euphoria, joy, increased cognitive activity. However, that feeling will pass after a few minutes. When nicotine levels in the body decrease, smokers will feel restless and stressed; unable to concentrate; sadness, anxi