title: Psychological factors related to exercise.
mesh_terms: D003717:Denial, Psychological; D003863:Depression / Q000209:etiology; D006801:Humans; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000150:complications / Q000523:psychology / Q000534:rehabilitation*; D005082:Physical Exertion