title: Vigorous physical exercise lowers women's estrogen levels.
authors.forename: W H
authors.initials: WH
authors.lastname: James
mesh_terms: D004967:Estrogens / Q000097:blood*; D005260:Female; D006801:Humans; D008297:Male; D008889:Military Personnel; D005082:Physical Exertion; D011247:Pregnancy; D014481:United States
chemical_list: D004967:Estrogens