The conversation between human and AI assistant.
Is it worse for your body to chain-smoke several packs of cigarettes a day for a year, or to smoke the same amount of cigarettes over 10 or 20 years?
Does quitting smoking reverse the damage done to the body?
Quitting smoking can definitely have positive effects on the body and can reduce the risk of various health problems. However, it may take several years for the body to fully recover and some damage may be irreversible.