Constance J. Ulff-Møller, Jacob Simonsen and Morten Frisch Marriage, cohabitation and incidence trends of invasive penile squamous cell carcinoma in Denmark 1978–2010 International Journal of Cancer 133
Infection with HPV is a risk factor for penile squamous cell carcinoma. Since HPV infection is sexually acquired, sexual and marital history might also influence risk of penile cancer. In this paper, the authors investigated the relationship between living arrangements and invasive penile cancer among Danish men for a 33-year period. Unmarried, divorced and widowed men had higher risk of penile cancer than married men, they found, and those living alone had higher risk than those cohabitating with an opposite-sex partner. Greater sexual instability, measured by the number of partners a man had lived with, increased the risk of penile cancer.
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