Why is very hard to quit smoking?
Withdrawal is a difficult process. About 70% of smokers want to quit. In one study of women smokers who wanted to quit, 80% of them were unable to. This is because nicotine increases the activity of dopamine, a chemical in the brain that elicits pleasurable sensations. Even after years of non-smoking, about 20% of ex-smokers still have occasional cravings for cigarettes. What are the signs and symptoms of nicotine withdrawal? Withdrawal symptoms begin as soon as 4 hours after one decides to quit smoking or after the last cigarette, generally peak in intensity at three to five days, and disappear after two weeks. These symptoms start with headache, anxiety, irritability, tremors, poor concentration, and hunger pains. Other signs and symptoms include insomnia and depression, sweating, constipation and diarrhea. What are the benefits of quitting smoking? Chronologically, these are the benefits when one decides to quit smoking: 1. Within 20 minutes, the blood pressure and pulse rate drop t
