Experts recommend low-dose aspirin to prevent stroke in women.  Lower doses are as effective as higher doses and are likely to be safer.
D000368:Aged; D001241:Aspirin / Q000627:therapeutic use*; D004305:Dose-Response Relationship, Drug; D005260:Female; D005343:Fibrinolytic Agents / Q000627:therapeutic use; D007722:Health Knowledge, Attitudes, Practice; D006801:Humans; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000517:prevention & control; D010975:Platelet Aggregation Inhibitors / Q000627:therapeutic use*; D012737:Sex Factors; D020521:Stroke / Q000517:prevention & control*; D016387:Women's Health
D005343:Fibrinolytic Agents; D010975:Platelet Aggregation Inhibitors; D001241:Aspirin