American soldiers traumatised by fighting in Iraq and Afghanistan are to be offered the drug ecstasy to help free them of flashbacks and recurring nightmares. The US food and drug administration has given the go-ahead for the soldiers to be included in an experiment to see if MDMA, the active ingredient in ecstasy, can treat post-traumatic stress disorder. Scientists behind the trial in South Carolina think the feelings of emotional closeness reported by those taking the drug could help the soldiers talk about their experiences to therapists. Several victims of rape and sexual abuse with post-traumatic stress disorder, for whom...