Hormone therapy's effects on heart may depend on age.
D000367:Age Factors; D000368:Aged; D015914:Estrogen Replacement Therapy / Q000009:adverse effects*; D005260:Female; D006801:Humans; D008593:Menopause; D008875:Middle Aged; D009203:Myocardial Infarction / Q000139:chemically induced*; D020521:Stroke / Q000139:chemically induced*