Drug treatment and behavior therapy may be useful, rather than analysis. Also, psychological symptoms may produce biological phenomenon, like sleep disturbances. "Sleep disturbances and unipolar depression are such intransigent bedfellows that troubled sleep is considered a hallmark of the mood disorder," for example. (Marano, 2003) However, insomnia can also fundamentally unbalance the brain's natural state of homeostasis, causing the symptom of depression, as well as manifesting itself as a symptom of depression itself.

Behavioral problems in children can have their roots in biology. Children without enough sleep or proper nutrition are more likely to act out inappropriately, and without treating these biological causes, simply addressing the children's purely psychological feelings or even giving them coping mechanisms such as rationally discussing the issues, will matter little. Children and adolescents also have different sleep needs, and different internal time 'clocks' because their bodies are still busily growing at night. Children and adolescents, because their brains...

When dealing with these special populations, their unique biology cannot be ignored.
Finally, achieving a sense of general wellness requires a therapist to treat the body of even an adult patient as well as the patient's mind. Physical states of change, like pregnancy, adolescence, and aging, have chemical effects that can produce depression, moods swings, and create a state of temporarily destabilized identity because of a change in physical chemistry and the way the body is perceived.

Works Cited

Goldman and C. Barr. (2002) "On the Addicted Brain." New England Journal of Medicine. 347:843. Retrieved 10 Oct at http://scienceweek.com/2003/sb031003-6.htm

Marano, Hara E. (2003) "Insomnia and Depression." Psychology Today.

Retrieved 10 Oct at http://www.psychologytoday.com/articles/index.php?term=pto-2862.html&fromMod=popular_depression