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Effects of Cold Water Immersion on Dopamine and Noradrenaline Levels
Cold water immersion, as evidenced by a study where men sat in cold water for an hour, led to a significant increase in dopamine levels by 250% and noradrenaline levels by 530%. These chemicals, which affect mood, also showed sustained higher levels post-immersion. Additionally, cold water exposure resulted in changes in brain blood flow and brain activity, potentially impacting mood. The immune system also exhibited positive responses with an increase in immune markers post-immersion. Despite the temporary nature of these changes, the effects of cold water immersion on dopamine, noradrenaline levels, mood, brain activity, and immune system highlight its intriguing potential.