It reduces the risk of Coronary Heart Disease (CHD) within 1 or 2 years of quitting
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The doctors choice is Americas choice: the physician in US cigarette advertisements, 19301953
Existing literature on the relationship between smoking and specific health outcomes is prolific, including meta-analyses, cohort studies and casecontrol studies analyzing the risk of outcomes such as lung cancer 5,6,7 , chronic obstructive pulmonary disease (COPD) 8,9,10 and ischemic heart disease 11,12,13,14 due to smoking
These numbers highlight an important point: most quit attempts fail without assistance, particularly during the first two weeks when withdrawal symptoms peak