Short-term cold exposure alters hormone production. Hormones like norepinephrine regulate attention, focus, and energy.
Extreme temperatures build resilience. Hormesis allows your body to adapt and strengthen after heat or cold shock.
Cold can make more oxygenated blood flow through the body, which speeds up muscle recovery and makes muscles less sore.
Especially if it's freezing outside, submerging yourself in cold water takes mental fortitude.
I feel like I won another mental fight when I get out of the frigid water. My day is brighter when I win again.
When you jump into a tub of cold water, it stresses your body because it makes your sympathetic nervous system work.
Stress makes cortisol levels go up, which makes it hard for many people to fall asleep or go back to sleep if they wake up in the middle of the night.
Brown fat is activated by cold water. According to this study, energy-consuming tissue can regulate metabolism, clear blood glucose, and increase insulin sensitivity.
Cold water raises plasma glutathione. T-cell lymphocytes need this antioxidant. Glutathione also stimulates NK cells.