Sen. John McCain pictured on July 27, 2017. McCain returned to Washington after surgery for glioblastoma to cast a ‘no’ vote to a Republican-backed bill to repeal Obamacare.
Cliff Owen/AP Photo
John McCain was known as a tough fighter and patriot, refusing to yield to his captors’ torture while he was imprisoned as a POW. In the end, cancer claimed him. Researchers say progress is coming.
Brains are precious. We can’t just let any old thing in.
Neil Conway/Flickr
The blood-brain barrier helps protect the brain, but it also creates difficulties in treating brain disorders. Ultrasound may offer a safe way to more effectively deliver therapies.