Answer:
It is essential to balance resources so that we may use them properly in our future. The conservation and utilization of natural resources satisfy the principles of sustainable development. It helps to develop the behavior of conservation of the available natural resources.
As far as I know there isn't a way to directly heal one. You just gotta wait it out.
But a good way to make it not feel itchy is to put tiger balm on it, or you can use a bandaid!
If the stroke was on one side it effects the other side