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It's all about chemical reactions in your body triggered by your brain. Lot's of researches and documents confirmed this is what happens when you face a stressful situation. Stress -> hypothalamus -> sympathetic nerves -> Epinephrine (Adrenaline) -> more urine flow Domino neural connectivity (Thinking) => Domino Chemistry (Body reaction = stress and ...


5

I found an interesting article that dealt with anxiety and micturition. There are no proven or accepted view on this. There are a few theories as to how this happens. I am quoting it: There are several beliefs for what causes frequent urination from anxiety, and the likelihood is that all of these factors play a role: Muscle Tension – This is one ...


6

Cold-induced diuresis, where kidneys relieve blood pressure by increasing urine production. http://en.wikipedia.org/wiki/Cold-induced_diuresis The blood pressure is thought to be increased by vasoconstriction due to the cold. One source that supports that theory: Sun, Z. American Journal of Physiology -- Regulatory, Integrative, and Comparative Physiology, ...


14

This phenomenon has been demonstrated in studies [1][2] which show a significant increase in urine output in the cold. The latter study shows the biggest increase is when a person is initially exposed to the cold rather than when they continue to be exposed or rewarmed up. In the study, the average urine out was 157 mL/hour when a person was initially ...



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