Ketamine has received a lot of attention as a potential treatment for depression, but few studies have revealed how well it works in real-world settings. A new study of data from veterans who had tried many depression treatments but still had severe symptoms suggests a series of intravenous doses of ketamine gave many at least partial relief. Paul Pfeiffer, M.D., M.S., discusses the treatment of patients and the standards for antidepressants.
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