Some general effects of smoking marijuana:· The more marijuana is used, the shorter its effects last.· Tolerance to the psychoactive effects develops with continued use.· Psychological and mild physical dependence gradually occurs with regular use. The cannabinoid effect may be additive to nitrogen narcosis. Carbon monoxide retention leads to high partial pressures of CO at...

Beer While Diving? Some divers insist on drinking beer before, during and after their dives. Is there any danger in drinking alcoholic beverages and diving? The short answer is that by drinking alcohol before and during diving trips a diver severely endangers not only himself but his buddy! Blood Alcohol Concentration (BAC) Research has shown...