Speaking with The Wall Street Journal in a wide-ranging interview, the 69-year-old made the bombshell revelation and spoke ...

ProPublica is a Pulitzer Prize-winning investigative newsroom. Sign up for The Big Story newsletter to receive stories like this one in your inbox. Lifesaving HIV treatments. Cures for hepatitis C.

Scientists at The Hospital for Sick Children (SickKids) have identified a key gene that could lead to next-generation treatments for medulloblastoma, the most common malignant brain tumor in children.

The blood–brain barrier is a highly selective shield that protects the brain from harmful substances in the bloodstream.