​Increased muscle strength and reduced body mass, acne, aggression, changes to libido and mood, competitiveness, and combativeness are all symptoms of:

A) ​alcohol abuse.
B) ​inhalant abuse.
C) ​anabolic steroid abuse.
D) ​cannabinoid abuse.

Anabolic Steroid Abuse

The misuse of synthetic substances related to testosterone, often to enhance athletic performance or physical appearance, with potential harmful side effects.

Increased Muscle

Refers to the growth or enhancement of muscle mass and strength, often as a result of physical exercise.

Reduced Body Mass

A decrease in the total amount of body weight, specifically in terms of fat and muscle.