title: Study confirms accentuated heart attack risk among pill users who are also heavy smokers.
mesh_terms: D000328:Adult; D000367:Age Factors; D003276:Contraceptives, Oral / Q000009:adverse effects*; D005260:Female; D006801:Humans; D008875:Middle Aged; D009203:Myocardial Infarction / Q000209:etiology*; D012306:Risk; D012907:Smoking / Q000150:complications*
chemical_list: D003276:Contraceptives, Oral