Thyroxine is when the main hormone is produced by the thyroid gland,acting to increase metabolic rate and so regulating growth and development.
I think no because college-age users brain is brittle
It is true but it could include other type of exercises.
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!
As you go farther up into Earth's atmosphere, there is less are and less pressure!