If you have diabetes, smoking can speed the progress of complications, such as kidney disease and eye problems. Smoking increases insulin resistance, which can set the stage for type 2 diabetes. If you have heart or blood vessel disease, such as heart failure, smoking worsens your condition. Smoking increases your risk of dying of heart and blood vessel (cardiovascular) disease, including heart attacks and strokes. Heart and circulatory system problems.Overall, smoking causes 30% of all cancer deaths. Smoking increases the risk of many types of cancer, including cancer of the mouth, throat (pharynx), esophagus, larynx, bladder, pancreas, kidney, cervix and some types of leukemia. In addition, smoking causes lung diseases, such as emphysema and chronic bronchitis. Smoking is the leading cause of lung cancer deaths. But you may not realize just how many different health problems smoking causes: You already know that people who smoke cigarettes are much more likely to develop and die of certain diseases than people who don't smoke. Even "all natural" or herbal cigarettes have harmful chemicals. Tobacco smoke contains more than 60 known cancer-causing chemicals and thousands of other harmful substances. People who abuse alcohol and illegal drugs are more likely to be smokers. People who have depression, schizophrenia, post-traumatic stress disorder or other forms of mental illness are more likely to be smokers. Many studies show an association between depression and smoking. Children with friends who smoke are also more likely to try it. Children who grow up with parents who smoke are more likely to become smokers. Genetic factors may influence how receptors on the surface of your brain's nerve cells respond to high doses of nicotine delivered by cigarettes. The likelihood that you will start smoking and keep smoking may be partly inherited. The younger you are when you begin smoking, the greater the chance that you'll become addicted. Most people begin smoking during childhood or the teen years. Factors that influence who will use tobacco include: Risk factorsĪnyone who smokes or uses other forms of tobacco is at risk of becoming dependent. To overcome your nicotine dependence, you need to become aware of your triggers and make a plan for dealing with them. Drinking coffee or taking breaks at work.Nicotine quickly becomes part of your daily routine and intertwined with your habits and feelings.Ĭommon situations that trigger the urge to smoke include: The more you smoke, the more nicotine you need to feel good. In the brain, nicotine increases the release of brain chemicals called neurotransmitters, which help regulate mood and behavior.ĭopamine, one of these neurotransmitters, is released in the reward center of the brain and causes feelings of pleasure and improved mood. Nicotine reaches the brain within seconds of taking a puff. Nicotine is the chemical in tobacco that keeps you smoking. If you stick it out and use stop-smoking products to help with withdrawal symptoms and cravings, the number of nicotine receptors returns to normal, helping you quit smoking for good. When you quit smoking, you cut off the brain's pleasure response because the receptors don't get nicotine, triggering nicotine withdrawal symptoms. Over time, the number of nicotine receptors increases and changes your brain's anatomy. In many people, nicotine from cigarettes stimulates receptors in the brain to release dopamine, triggering a pleasure response. Using medications and working with a counselor specially trained to help people stop smoking (a tobacco treatment specialist) will significantly boost your chances of success.Īsk your health care team to help you develop a treatment plan that works for you or to advise you on where to get help to stop smoking. You're more likely to stop for good if you follow a treatment plan that addresses both the physical and the behavioral aspects of nicotine dependence. Most smokers make many attempts to stop smoking before they achieve stable, long-term abstinence from smoking. You're not alone if you've tried to stop smoking but haven't been able to stop for good. You may stop going to smoke-free restaurants or stop socializing with family or friends because you can't smoke in these situations. Even though you've developed health problems with your lungs or your heart, you haven't been able to stop. You keep smoking despite health problems.Your attempts at stopping have caused physical and mood-related symptoms, such as strong cravings, anxiety, irritability, restlessness, difficulty concentrating, depressed mood, frustration, anger, increased hunger, insomnia, constipation or diarrhea. You have withdrawal symptoms when you try to stop.You've made one or more serious, but unsuccessful, attempts to stop. For some people, using any amount of tobacco can quickly lead to nicotine dependence.
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