title: Heart rate in middle-aged men.
mesh_terms: D000328:Adult; D000367:Age Factors; D000428:Alcohol Drinking; D001794:Blood Pressure; D001827:Body Height; D001830:Body Surface Area; D001835:Body Weight; D004566:Electrodes; D005069:Evaluation Studies as Topic; D006339:Heart Rate; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D008991:Monitoring, Physiologic; D010551:Personality; D005082:Physical Exertion; D011674:Pulse; D012890:Sleep; D012907:Smoking; D013312:Stress, Physiological; D013997:Time Factors