Even after studying more than 250,000 men for more than a decade, researchers have never found the PSA to save lives, according to the U.S. Preventive Services Task Force, a panel of doctors who advise the government on cancer screenings and other ways to avoid disease.Yet the PSA can cause harm.That's because the PSA, which measures a protein called prostate-specific antigen, often leads to unnecessary needle biopsies for men who don't actually have cancer. Even worse, those biopsies lead many men to be treated for slow-growing cancers that never needed to be found and that are basically harmless, says task force chairwoman Virginia Moyer, a professor of pediatrics at Baylor College of Medicine in Houston.Because doctors today often can't tell a harmless tumor from an ... Continue reading →

Here's how it works. I'll introduce topics, T1, T2, etc. Put the T in front of your posting. Let's stay together. #abcDrBchat Continue reading →