PROSTATE CANCER About prostate specific antigen (PSA) The prostate specific antigen (PSA) test is a blood test that measures the level of PSA in the bloodstream. PSA is a substance produced by the prostate gland. Elevated levels of PSA in the blood can indicate the presence of prostate cancer, although other conditions affecting the prostate can also cause an increase in PSA levels. Typically, a higher PSA level suggests a higher likelihood of a prostate issue. However, it's important to note th

12 reactions | 홅홐홎홏 혼홉홉홊홐홉혾홀혿  On-site grading in Canada debuts at the Toronto Sports Card Expo, November 9-12. We're offering end-of-show & end-of-day card grading, while also accepting drop-off submissions at all service levels. ℹ️ https://tinyurl.com/TorontoExpo2023 | Professional Sports Authenticator - PSA | Facebook