Last Week Tonight with John Oliver: Marijuana (Video)

Summary: HBO’s Last Week Tonight with John Oliver reports on the politics of marijuana research, highlighting how government obstacles affected the ongoing MAPS-sponsored clinical trial of medical marijuana for PTSD in U.S. veterans. “To study marijuana, you need approval from three different federal agencies, which can take years. In fact, one scientist was forced to wait six years just to begin studying its effects on PTSD,” explains Oliver.

Originally appearing here.

Under federal law, even legal marijuana is illegal. John Oliver explains why conflicting drug laws pose serious problems.