Decrease the intenseness of the stepper machine so his heart rate doesn't go over his target heart rate zone.
Ibeleive the answer is bullying because younger kids get bullied and even sometimes adults but teenegers get bullied the most by other teenagers which causes stress and other issues.
sorry if its wrong
Answer:
The largest part of the forbrain is the cerebrum, and it allows your sences to operate and allows you to move. As for structure it concists of left and right hemispheres.
Explanation: