Here’s some of HealthDay’s top stories for Wednesday, July 28:

FDA advisor who panned new Alzheimer’s drug speaks out. Dr. G. Caleb Alexander was one of 10 advisors on an 11-member FDA panel who voted against approval of the controversial new Alzheimer’s drug, Aduhelm. The agency approved the drug anyway. Alexander tells HealthDay Now why that decision was wrong, and reveals some questionable moves behind it. Read more

Biden could mandate ‘vaccine or testing’ for federal workers. Faced with tough resistance by many Americans to COVID vaccination, and a surge in cases driven by the Delta variant, President Joe Biden is mulling mandatory vaccination or weekly testing for all civilian federal government employees. Read more

Only Republican ‘elites’ will change the minds of some anti-vaxxers. America is in an ‘epidemic of the unvaccinated,’ with many of these holdouts embracing right-wing political views. A new study finds their views on vaccination might still be altered, but only by high-profile Republicans. Read more

Fraudulent cancer care info common on social media. ‘Chemo doesn’t work,’ ‘Baking soda cures prostate cancer,’ — bogus claims like these can be found in a third of social media articles about cancer, a new study finds. All that misinformation can pose real dangers, experts warn. Read more

Primary care doctors often miss heart failure in women, Black patients. It’s a major killer of older Americans, but a new study finds that — despite clear symptoms — many primary care physicians don’t spot the illness, especially in women and Black patients. Read more