LSD, the drug that launched the psychedelic era and became one of the resounding symbols of the counterculture movement of the '60s, is back in the labs. Nearly 40 years after widespread fear over recreational abuse of LSD and other hallucinogens forced dozens of scientists to abandon their work, researchers at a handful of major institutions - including UCSF and Harvard University - are reigniting studies. The study at UCSF ... is looking into the mechanisms of LSD and how it works in the brain. The hope is that such research might support further studies into medical applications of LSD - for chronic headaches, for example - or psychiatric uses. Psychedelics are in labs all over the world and there's a lot of promise," said Rick Doblin, director of the Multidisciplinary Association for Psychedelic Studies in Santa Cruz. Stanislav Grof was one of the last scientists to abandon hallucinogenic research when he shut down several projects at the Maryland Psychiatric Research Center in 1973 after his funding dried up. He moved to California to work at a research institute in Big Sur, where he turned to studies about how to re-create the effects of those drugs through meditation and breathing techniques. He's pleased to see some of the stigma falling away from drugs like LSD, but it bothers him that the scientific community lost decades of research. "I thought psychiatry and psychology really lost a major opportunity because of the abuse that happened with unsupervised research," Grof said. "These are fascinating substances - and they're very, very powerful, so they should be used with great precaution."

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