Science Says: How family separation may affect kids' brains

Doctors have long known that separating families and other traumatic events can damage children's well-being. More recent research has shed some light on how that may happen: Severe early adversity may cause brain changes and "toxic stress," resulting in lasting psychological and physical health problems.A "zero-tolerance" immigration policy announced this spring by the Trump Administration has separated 2,300 children from the adults they were traveling with and sent them to shelters and foster