How do nitrogen narcosis and oxygen toxicity interact in Nitrox diving?

In Nitrox diving, the use of enriched air with a higher percentage of oxygen and a lower percentage of nitrogen significantly alters the effects experienced during dives compared to using traditional air. Nitrogen narcosis occurs when a diver is exposed to high levels of nitrogen at depth, and it is often more pronounced at depths greater than about 30 meters (100 feet).

When utilizing Nitrox, the reduced nitrogen content in the breathing gas minimizes the overall nitrogen that is absorbed into the body's tissues during the dive. This lower nitrogen exposure translates to a lower risk of experiencing nitrogen narcosis, which is correlated with rising nitrogen partial pressures. Therefore, divers using Nitrox are less likely to feel the effects of narcosis as they ascend or descend compared to those breathing standard air.

While Nitrox can introduce its own risks, such as the potential for oxygen toxicity at higher pressures due to increased oxygen percentages, its effect on nitrogen narcosis is beneficial, making it safer for divers at certain depths. This interaction between reduced nitrogen levels and the potential for narcosis is what underlines the correctness of the statement regarding Nitrox helping to minimize incidents of nitrogen narcosis.