There are many theories and treatments for depression.Based on current research,which of the following is considered to be the most effective treatment for serious depression?

A) Psychotherapy
B) Antidepressant medications
C) Education
D) Social support networks

The physiological theory of depression predominates in the medical community,and current evidence shows that biochemical processes determine moods,thought,cognition,and perception.Therefore,treatment of serious depression relies more heavily on antidepressant medications than on psychotherapy.Psychotherapists acknowledge that individual tolerance of symptoms,coping resources,education,and social support networks all have an important effect on outcomes and treatment.These therapies are used as adjuncts to medications.