Nasir loves to run. He’s on the school’s cross country team and is hoping to contribute to a winning season. He runs every day for at least 60 to 90 minutes. His goal is to build up his endurance. He wonders if there is something he can eat or drink that will help him. The coach really doesn’t like energy drinks, but Nasir thinks that these may give him the edge he needs.

Smoking damages the respiratory system by inhalation of a foreign substance, that is absorbed and residue is left behind on our lungs sponge like substance. the gas that is inhaled also increase your blood pressure and dilates your blood vessels. also the process of inhaling and exhaling the smoke it causes irritation to the throat and mouth. smoking can cause lung cancer and other respiratory and circulatory diseases.