Taking cold shower is a good way to normalize your cortisol and dopamine level. It makes cold mind literally. Cold water creates huge spike of cortisol to handle the shock. Body learns to calm down to keep its energy in cold environment. Long term result of icy shower is impressive stress resistance in everyday’s life. Cold shower also stops you from binging on dopamine boosting habits and keeps your motivation in optimal range.
Do not take cold shower if
You are exhausted or feeling sick. Fatigue says your cortisol resource is already depleted. Adding a shocking stress to tiredness may leave you with dangerously low steroid hormone level after. It opens a time window for viruses and bacteria to activate and attack your body.