About 1 in 8 men will be diagnosed with prostate cancer during their lifetime, and it is the second-leading cause of cancer death in American men, according to the American Cancer Society. What do you want to know about prostate cancer risks,

Biden was diagnosed following urinary symptoms, one of the most common signs of prostate cancer. That's because it is often detected only when the prostate is big enough to have impacted the urethra, the tube that connects the bladder to the penis.