Depression, post-traumatic stress disorder, psychosis: Yemen's seven years of brutal civil war have caused an explosion of mental illness overwhelming the basic health care services. "We try to provide treatment, but we cannot treat everyone", said Adel Melhi, director of a psychiatric hospital in the rebel-blockaded city of Taez, one of the places hardest hit by the conflict. Iran-backed Huthi rebels have fought a Saudi-led pro-government coalition since 2015 in ...