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Title
Ejaculation frequency and subsequent risk of prostate cancer.
Authors
Leitzmann, Michael F; Platz, Elizabeth A; Stampfer, Meir J; Willett, Walter C; Giovannucci, Edward
Abstract
Sexual activity has been hypothesized to play a role in the development of prostate cancer, but epidemiological data are virtually limited to case-control studies, which may be prone to bias because recall among individuals with prostate cancer could be distorted as a consequence of prostate malignancy or ongoing therapy.