Gradually quit smoking vs stop smoking immediately, which has a higher success rate?

From lighting to burning, a cigarette can produce at least 4000 kinds of chemicals, of which 69 are identified as carcinogens. Research published in the journal Lancet clinical medicine shows that quitting smoking early can keep away from 28 diseases such as myocardial infarction and lung cancer. Many smokers have realized the harm of smoking …
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