Thousands of caregivers have been arrested since the early 1980s based on the medical belief that young children hospitalized with three symptoms — brain swelling, bleeding in the brain and bleeding at the back of the eyes — must have been forcefully and deliberately shaken. Many doctors and pediatric associations remain steadfast in the view that those symptoms help prove that a child has suffered what is now often called “abusive head trauma.” But a growing number of medical and forensic experts say the diagnosis is too definitive, particularly in the absence of other signs of abuse. Accidental falls from changing tables can similarly jostle the brain. Clotting disorders and other illnesses can also cause brain bleeding. NBC News has identified about two dozen professionals who have publicly changed their views. Some are wrestling with the role they played in incarcerating people they now believe are innocent of having shaken their babies to death. Read more at the link in bio. ...