Lung cancer is the correct answer
Rather than stopping completely, Luis should lower the speed of the treadmill, making the aerobic lower, and let his heart rate gradually enter his target range. Stopping completely will interrupt the workout and could negatively impact his muscles and joints, and slowing down the treadmill will allow his body to gradually settle into a new aerobic intensity that's closer to his target.
B is the answer diabetes is one of the reasons people have a diet in high fat.
Your answer is A. Alertness