Hope beyond battlefield

THERAPY: DOCUMENTARY FOLLOWS NAVY SEALS AS THEY SEEK HEALING

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Suicide is a tragic epidemic among US military veterans, but a new documentary charts how psychedelic drugs offer a glimmer of hope to elite soldiers battling post-traumatic stress disorder (PTSD) and depression.

"We're not scientists, we don't know exactly what's happening," said Jon Shenk, who codirected In Waves and War with his wife Bonni Cohen.

"But it does seem like there's something to it," he said.

Streaming on Netflix from today, the documentary follows three retired US Navy Seals coping with the invisible scars of their many tours of Iraq and Afghanistan.

After years spent under enemy fire, the veterans have become trapped on an altogether different battlefield, contending with PTSD, brain injuries, depression and alcoholism.