Smoking is harmful to your health many smokers explain the reluctance to quit smoking that cigarette, supposedly good "soothe nerves. And, indeed, chemists classify nicotine in smoke one cigarette the average 6-8 mg, to neuro-paralytic Vegetable poisons. But, apart from the oppression of the nervous system at higher doses, nicotine acts on the adrenal glands, which produce the hormone adrenaline. And the vyzyvaetspazm vessels, raise blood pressure and increase in heart rate. That is, as a result of cigarette not soothing, quite the contrary. In addition, nicotine is able to impair blood coagulation, resulting in blood clots. Smokers with experience often complain about the appearance heartac... [Read more]