Amino acids and fats. Sugars/carbs are used as an energy source, while fats and proteins are used as building blocks during growth.
Im pretty sure that this is the nerves which is called the nerves system I think
In the exhaustion stage of the body's reaction to stress, the body becomes extremely susceptible to disease because it seems to lose its ability to respond <span>to any new stress.</span>
I would say a because he ran too much but that would be just me I think he hurt his knee from running too much more exercise but probably just aggravate his condition I could be wrong but this is what I think
