Your friend has acknowledged abusing drugs and has asked you to hold him accountable as he tries to stop his drug use. which of the following behavioral signs indicates an abuse problem?

People who utilizes the progression principle will ensure their exercise program increases in frequency, intensity, time, and type. the changes need to happen gradually in order to ensure they make gains in their fitness program. a person who doesn't utilize the progression principle can still gain health benefits from exercising, but will not continue to improve in cardiovascular fitness.