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Magic mushrooms may ease anxiety

[ 2010-09-08 13:48]     字号 [] [] []  
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The hallucinogen psilocybin - known by the street name magic mushrooms - may help ease the anxiety that often accompanies late-stage cancer, US researchers said on Monday.

Cancer patients given a moderate dose of psilocybin - a hallucinogen with effects similar to LSD - were measurably less depressed six months after a single dose compared with a placebo. Patients seemed somewhat less anxious, they reported in the Archives of General Psychiatry.

The pilot study of 12 cancer patients was designed to prove that hallucinogenic drugs could be studied safely as a way to relieve the distress of advanced cancer.

It revives a promising field of study lasting from the 1950s to the early 1970s that suggested some patients experienced powerful and sustained improvement in mood and anxiety from hallucinogens.

Researchers said the studies were abandoned in the early 1970s when hallucinogenic drugs such as LSD - lysergic acid diethylamide - became widely used on the streets, leading to strict federal laws regulating their use.

"40 to 45 years ago, the culture was going through tremendous upheaval. These compounds were associated with a very politically active counterculture," said Dr Charles Grob of Harbor-University of California Los Angeles Medical Center and the Los Angeles Biomedical Research Institute.

"It was something of a public health crisis. Everything had to be shut down," Grob said.

Federal law prohibits the use of the magic mushroom compound for any purpose. If it proves effective among late-stage cancer patients, US regulators would need to make special accommodation for its use, Grob said.

Grob's study looked to see whether psilocybin could help ease some of the anxiety of dying cancer patients.

During the treatment phase of the study, patients were given a moderate dose of psilocybin and watched closely for six hours. They were told to lie still with their eyes closed as they wore headphones and listened to soothing music.

During the placebo phase, each of the 12 patients received a dose of niacin - a vitamin that raises levels of good cholesterol - and were given the same instructions.

The treatments were given in random order and neither the doctors nor the patients were told which compound was administered. All the volunteers tolerated the treatment sessions well, with no signs of severe anxiety or a "bad trip". Most patients showed a trend of improvement in their symptoms of anxiety and at six months, and there was a statistically significant improvement on one depression scale.

Grob said the pilot study proved the drug could be studied safely in cancer patients. He said two other academic research institutions in the United States - Johns Hopkins University in Baltimore and New York University - were doing similar studies using a slightly higher dose.

"Times have changed and it's now possible to pick up this research model again," he said.

去听写专区一展身手

(中国日报网英语点津 Helen 编辑)

Magic mushrooms may ease anxiety

Magic mushrooms may ease anxiety

Todd Balazovic is a reporter for the Metro Section of China Daily. Born in Mineapolis Minnesota in the US, he graduated from Central Michigan University and has worked for the China daily for one year.

 
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