It depends if you are running or jumping ?
its b migraines because it can change the size of the blood vessels in your brain plus irritate your nose and throat.
I think there will be two correct answers from the choices listed above. A drug affect the body by stimulating a chemical reaction by a cell or disease causing agent and <span>blocks a chemical reaction by a cell or disease causing agent. Hope this answers the question.</span>
I think it's B. Longer braking distance. While speeding hitting the brakes with a sudden stop could cause an accident.