Stress, nicotine in the cigarette smoke when inhaled into the body to the brain within time. 8 - 10 seconds, which makes the effect of contraction. The blood pressure rise, shortness of breath, and stimulate the brain.Many people are smoking, reasons to relieve stress. However, when the amount of nicotine in the brain decreased. To make the smoke symptoms of irritability and stress at a later time, and this is the reason why ต้องสูบบุหรี่ always.
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