Final answer:
Emotional disorders in athletes are best treated by a clinical sport psychologist who can provide comprehensive treatment including mental health counseling, medication, and nutritional advice.
Step-by-step explanation:
Emotional disorders affecting sport performance, such as eating disorders and drug abuse, would best be treated by a clinical sport psychologist. Clinical sport psychologists specialize in the diagnosis and treatment of psychological disorders and problematic behaviors affecting athletes, including the areas of motivation, performance anxiety, and mental and emotional wellbeing.
They are equipped with the knowledge and skills necessary to address emotional factors impacting physical performance in sports and could utilize a combination of mental health counseling, medications, and nutritional counseling as part of a comprehensive treatment plan.