A study found that athletes who used cannabis regularly had better eye focus ability and lower levels of brain inflammation compared to the non-cannabis group after repetitive subconcussive head impacts.

A landmark study published in Nature Medicine found that ibogaine, an “atypical psychedelic” derived from the root bark of an African shrub, showed highly beneficial effects on emotional well-being and cognition in a group of Special Operations Forces (SOF) veterans with chronic illness relating to their military careers and history of traumatic brain injury (TBI), primarily mild TBIs.

A new pilot study from researchers Viddiparti et al. found that, over a 70-day period, medical marijuana use in 15 study participants significantly improved PTSD symptom severity and also produced a significant reduction in nightmares.

Research published in Nature Medicine by Mitchell and colleagues found that MDMA-assisted manualized inner-directed therapy (MDMA-AT) is a more effective treatment than manualized inner-directed therapy alone for improving moderate to severe post-traumatic stress disorder (PTSD).