Regeneration and healing of nerves and blood vessels

So that numbness and weakness disappear and circulation improves

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It seems to help the most for nerve regeneration and regrowth of nerves and blood vessels to soak the affected limb in water just shy of scalding hot.

Doctors do not like to do this.

However, numbness, weakness, and poor circulation in extremities can be improved by soaking in very hot water, as hot as possible without burning.

Those of us again, who live in very cold climates, have no other good way of healing minor frostbite injuries and chilblains, except for dry heat from a very hot fire if it isn't convenient to soak in hot water.