prostate cancer; psa/dre; mri

1:02 What is PSA used for, and how is it measured? 2:36 Is PSA the only way to screen for prostate cancer? 4:53 Is there any reason to get a Digital Rectal Exam? 5:47 What is PSA density, and how large is the average prostate? 7:13 How accessible and affordable are MRIs, usually? 7:38 How...