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As part of the program, test subjects were unknowingly given LSD, or lysergic acid diethylamide, a powerful hallucinogen.—Julia Gomez, USA Today, 30 Apr. 2026 The hallucinogen is known to raise the risk of abnormal heart rhythms and rates and could cause vomiting.—Jacqueline Howard, CNN Money, 22 Apr. 2026 As part of the case, which will be heard in the fall, the court will consider narrowing a landmark 1990 decision over the spiritual use of peyote, a cactus that contains a hallucinogen called mescaline.—Lindsay Whitehurst, Chicago Tribune, 20 Apr. 2026 As part of the case, the court will consider narrowing a landmark 1990 decision over the spiritual use of peyote, a cactus that contains a hallucinogen called mescaline.—ABC News, 20 Apr. 2026 See All Example Sentences for hallucinogen