___ is a viral disease of the central nervous system that causes paralysis and death.

answer; i believe that the correct answer is (essential amino acids);

the maintenance of fluid balance during exercise. author information: fluid supplementation is necessary for exercise in which fluid losses must be offset by intake to avoid the negative effects of hypohydration on health and performance.

cutting out negative people, changing their diets, exercising, taking off days from work or school, etc