title: [Decrease of male sexual activity by aging].
authors.forename: Y
authors.initials: Y
authors.lastname: Kumamoto
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D000375:Aging / Q000502:physiology / Q000523:psychology*; D004298:Dopamine / Q000378:metabolism; D006801:Humans; D008297:Male; D008875:Middle Aged; D010410:Penile Erection; D012725:Sexual Behavior; D013315:Stress, Psychological / Q000503:physiopathology; D013739:Testosterone / Q000097:blood
chemical_list: D013739:Testosterone; D004298:Dopamine