Is Prostate Cancer a Sexually Transmitted Disease?

the MPR take:

A new study in the Proceedings of the National Academy of Sciences suggests that the sexually transmitted infection trichomoniasis could make men more vulnerable to developing prostate cancer. In testing human prostate cells, researchers discovered Trichomonas vaginalis, the parasite that causes trichomoniasis, emits a protein that increases inflammation, growth, and invasion of benign and cancerous prostate cells. Trichomoniasis is the most common non-viral sexually transmitted infection worldwide but the cause of prostate cancer is still unknown.

Protein Linked to Androgen Receptor Activity, Prostate Cancer
Is Prostate Cancer a Sexually Transmitted Disease?
Prostate cancer may be a sexually transmitted disease caused by a common yet often silent infection passed on during intercourse, scientists say - but experts say proof is still lacking. Men may feel itching or irritation inside the penis, burning after urination or ejaculation, or a white discharge from the penis.