Drink water and add restrictions on how much to drink.
Gases- Oxygen, hydrogen, carbon monoxide, nitrogen
Answer: That's a conspiracy theory, probably not true.
We get tired after exercise because our muscle fibers get tired very quickly. This is due to the major source of energy for the muscle tissue, called adenosine triphosphate, or ATP. As the muscles make use of this supply of energy, they get tired and fatigue.
Mild injuries can be helped by over the counter medication as they can give relief from pain and swelling,
