Q6. If you have cold intolerance, you feel cold in your hands and feet, but there is cold intolerance that you don’t notice you have cold intolerance, which is called “hidden” cold intolerance. What part of the body is cold when you have “hidden” cold intolerance?
There are important organs in the abdomen so the body try to warm the abdomen with priority. Hands and feet become cold because the body tries to keep the core of the body warm. On the other hand, when you have “hidden” cold intolerance, your hands and feet are warm so it is difficult to notice that you have cold intolerance, but your body temperature is low and your internal organs are cold. When the internal organs are cold, the action of the internal organs decreases, resulting in dangerous condition. If you touch your abdomen and it feels cold, you need to be careful.
Why does your body temperature go down quickly when you soak in hot tub?
Autonomic nervous system controls your body temperature. When you soak in hot tub, you’re your body temperature goes up suddenly so the autonomic nervous system tries to lower your body temperature. The method to lower the body temperature is making blood vessels thin and decreasing the blood flow. If the blood vessels become thin, it gets difficult to transport blood to the ends of limbs. As a result, your hands and feet become cold quickly.
On the other hand, in the case of soaking in lukewarm water, your body relaxes, transporting blood to the ends of limbs.
To improve cold intolerance, it is better to soak in lukewarm water up to your neck because there are autonomic nerves related to raising the body temperature around your neck.
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