A clinical syndrome of acute psychosis associated with Cannabis derivatives and environmental stress has been observed in 12 soldiers seen in Vietnam. Each case was characteristic of acute toxic psychosis with organic features and ten cases had paranoid features as well. Factors unique to Vietnam and combat situations seem pertinent; treatment was conservative and supportive.
Talbott JA, Teague JW. Marihuanann PsychosisAcute Toxic Psychosis Associated With the Use of Cannabis Derivatives. JAMA. 1969;210(2):299-302. doi:10.1001/jama.1969.03160280039006