Barr virus—but new research reveals how it can hijack immune cells, sparking a chronic disease that attacks the body from ...

A Texas woman who thought she was suffering from pink eye said it was “mind-blowing” when she realized that her eyes were showing her something far more serious. In the spring of 2023, Kelly Mann ...

What does an ulcer feel like? Experts say symptoms can range from subtle to intense—here’s what to look out for, say two ...