After nearly four years of war in Yemen at least 10,000 civilians have been killed. Millions more have fled their homes and are now facing famine and disease. The situation is so dire that the UN has described it as the world's worst humanitarian disaster. The crisis, created in large part by US allies Saudi Arabia and the UAE, using US supplied weapons and planes, has turned Yemen into a living hell. Ben Anderson returns to Yemen, gets access to the various fighting groups waging war for the Saudi/Emirati led coalition, and sees the devastating effect the chaotic fighting and indiscriminate bombing is having on civilians. PTSD affects millions of Americans, including 20% of Iraq and Afghanistan veterans and up to 30% of first responders. Despite this, available treatment is limited, resulting in long term suffering and, in many cases, suicide. But a new set of trials using MDMA-assisted therapy has achieved remarkable results. VICE's Ben Anderson, who has been covering conflict for ...