PCRI's Alex, asks medical oncologist, Mark Scholz, MD, about the benefits and limitations of PSA testing and what men need to know to get the most out of this powerful albeit flawed method of screening for prostate cancer. 0:05 What are the origins of PSA? 2:07 Why is PSA testing controversial? 3:15 What should a normal PSA be for a man without prostate cancer? 4:00 What if your PSA is less than 1? 5:02 What is the significance of "PSA density," or the ratio of the PSA to the size of the prostate gland. 6:08 What steps should a patient take if he has a high PSA and a large prostate? Don’t know your stage? Take the quiz: Visit http://www.prostatecancerstaging.org/ To learn more about prostate cancer visit http://www.pcri.org/ Who we are: The Prostate Cancer Research Institute (PCRI) is a 501(c)(3) not-for-profit organization that is dedicated to helping you research your treatment options. We understand that you have many questions, and we can help you find the answers that are specific to your case. All of our resources are designed by a multidisciplinary team of advocates and expert physicians, for patients. We believe that by educating yourself about the disease, you will have more productive interactions with your medical professionals and receive better individualized care. Feel free to explore our website or call our free helpline at 1 (800) 641-7274 with any questions that you have. Our Federal Tax ID # is 95-4617875 and qualifies for maximum charitable gift deductions by individual donors. The information on the Prostate Cancer Research Institute's YouTube channel is provided with the understanding that the Institute is not engaged in rendering medical advice or recommendation. The information provided in these videos should not replace consultations with qualified health care professionals to meet your individual medical needs. #ProstateCancer #Prostate #MarkScholzMD