Public health ... let's talk about s-e-x.
D007722:Health Knowledge, Attitudes, Practice; D006801:Humans; D010817:Physician-Patient Relations; D011634:Public Health / Q000706:statistics & numerical data*; D012736:Sex Education; D012749:Sexually Transmitted Diseases / Q000453:epidemiology / Q000517:prevention & control*; D014481:United States / Q000453:epidemiology