research S1 OPIOID RECEPTOR AGONISTS AND SERUM PROSTATE SPECIFIC ANTIGENE LEVEL: IS THERE A ROLE FOR PROSTATE CANCER CONTROL AND CHEMOPREVENTION?
Opioid use may lower PSA levels, suggesting a possible role in prostate cancer control; PSA testing is useful for detecting prostate cancer; serum triglycerides are not linked to prostate cancer risk; and higher urethral PSA levels may be associated with local hormone activity.