Want this question answered?
It's not that simple. You gain height when you gain height not when you eat spaghetti or rye bread.
no pain no gain means without suffering there is no reward
Hanging from a bar will only temporarily cause a slight gain in height.
no after age 21 the height is not increased.
No.
by the age of 21, you have fully grown.
No.
Yes
+ 24
At 20 years now, you might not gain any further height.
never
Your height will be mostly a matter of the Genes you inherited and your diet. Not much other than staying healthy that you can do about that.