Concerning the article by Meaddough et al: Sexual activity, orgasm and tampon use are associated with a decreased risk for endometriosis.
Guidone
Heather C
HC
Marvel
Michelle E
ME
D015986:Confounding Factors, Epidemiologic; D004715:Endometriosis / Q000209:etiology*; D005260:Female; D006801:Humans; D009948:Orgasm; D019529:Sexuality; D013630:Tampons, Surgical / Q000009:adverse effects*