re: Why do most conservatives embrace a lack of evidence re: climate change but not religion?

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Near-death experiences can be induced using a drug called ketamine which blocks receptors in the brain for the neurotransmitter glutamate. All features of a classic near-death experience can be produced by the intravenous administration of 50 - 100 mg of ketamine. Ketamine is a short-acting, hallucinogenic, dissociative anesthetic related to phencyclidine. Both drugs are arylcyclohexylamines - they are not opioids and are not related to LSD. In contrast to PCP, ketamine is relatively safe, an uncontrolled drug in most countries, and remains in use as an anesthetic for children. Anesthetists attempt to prevent patients from having near-death experiences (so-called "emergence phenomena") by the co-administration of benzodiazepines and other sedative substances which produce "true" unconsciousness rather than dissociation.

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We aimed here at assessing, in a sample of ketamine misusers, concordance between the typical near-death experience (NDE) features and the on-drug psychoactive effects the subjects experienced.

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