For reasons that are still poorly understood, at depths beyond about 30 metres nitrogen becomes a powerful intoxicant. Under its influence divers had been known to offer their air hoses to passing fish or to decide to try to have a smoke break. It
Nitrogen can become a significant intoxicant for divers at depths greater than 30 meters, a phenomenon not yet fully explained. This can lead to unusual and bizarre behaviors while underwater, demonstrating how environmental factors can affect human actions significantly.
For instance, divers have reported incidents where they would mindlessly offer their air hoses to fish or even contemplate taking a smoke break while submerged. Such behaviors highlight the risks and unpredictable effects of high-pressure environments on divers' judgment and safety.
