An eating disorder research website or a Mental health research website such as National Institute Of Mental Health. It can help you keep up to date because websites are most times updated with new information and easy to access now a days.
His coach, so they can discuss times for practice that also leaves time for studying.
Fats because too much can be bad. or sugar
He should increase the speed in which he runs as the faster one runs the faster their heartbeat.
The outermost layer of bone is called connective tissue
