The analysis shows that ketamine may start relieving symptoms of PTSD within one day, but it is still unclear how long the effects last and how many injections are needed to maintain benefits.
Opinion | Today s Opinions: Merrick Garland; Ukraine aid; and more washingtonpost.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from washingtonpost.com Daily Mail and Mail on Sunday newspapers.