​Studies of the effects of exercise on clinically depressed patients have generally found that exercise

A) ​does not affect depression in clinically depressed patients.
B) ​can reduce depression, but is less effective than psychotherapy.
C) ​can reduce depression, but is less effective than drug therapy.
D) ​can reduce depression and may be as effective as other therapy.

Clinically Depressed Patients

Individuals diagnosed by healthcare professionals as having major depressive disorder, characterized by persistent sadness and a lack of interest or pleasure in daily activities.

Psychotherapy

A form of therapy that involves talking with a therapist to address and manage psychological issues or disorders.

Drug Therapy

The treatment of disease through the administration of drugs or medications to achieve a therapeutic effect.