It's Wolff Law
Developed by Julius Wolff in the 19th Century, it stated that the bones in a healthy person will adapt to the loads under which it's placed. That's mean the greater the stress that they experience on their bones, the stronger their bones become
On the internet or a pharmacy
It can help strengthen your muscles and body but at the same time you loose energy and can not continue for a long amount of time .
Answer:
walking in a straight line or not slurring your words
