Paige had proudly hung up the scans of her sister’s baby, thinking nothing of it other than the excitement of a little one on ...

When, at 20 years old, she first talked about her experiences with her friends, they were bemused. In people with synesthesia, the brain’s sensory wiring can get crossed. Orgasm synesthesia, or ...

This new scan finds Alzheimer’s risk years in advance. Learn what the research means for early detection and brain health—and if the test applies to you.