11. The unique response of narcosis II is supported by research conducted on rainbow trout. 12. With it they escape into cultural narcosis . 13. For three weeks they breathed a mixture of oxygen and helium that prevented nitrogen narcosis . 14. Fishermen must carefully monitor their dive times and depths to avoid nitrogen narcosis and the bends. 15. "They asked me to simulate narcosis , " he was quoted as saying. 16. Narcosis produces a state similar to drunkenness ( alcohol intoxication ), or nitrous oxide inhalation.17. These mixtures prevent narcosis by replacing some of the breathing gas with non-narcotic helium. 18. Other sedative and analgesic drugs, such as opiate narcotics and benzodiazepines, add to narcosis . 19. Narcosis affects all divers, although susceptibility varies widely from dive to dive, and between individuals.20. Most sport scuba training organizations recommend depths of no more than because of the risk of narcosis .
