Stopping smoking is hard despite success of smoke-free legislation - Medical Xpress
Stopping smoking is hard despite success of smoke-free legislation Medical Xpress Hardcore smokers are defined as those smokers that (1) are daily smokers, (2) have a smoking history of at least six years, (3) have never tried to quit, (4) don't want to quit smoking, (5) smoke at least 11 cigarettes, on average, each day and (6) are ... |
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