A controversial unproven medical condition which is rooted in pseudoscience and disputed by doctors is routinely being used in Britain to explain deaths after police restraint, the Observer has found.
“Acute behavioural disturbance” (ABD) and “excited delirium” are used to describe people who are agitated or acting bizarrely, usually due to mental illness, drug use or both. Symptoms are said to include insensitivity to pain, aggression, “superhuman” strength and elevated heart rate.
