One strength of the biological approach is that it has made a positive contribution to our understanding of human behaviour and disorders. This in turn has enhanced our knowledge about the diagnosis and treatment of a range of disorders, which has also helped reduce the discomfort and dangers posed to patients suffering from them.
For example, the discovery that depression is linked to there being too little serotonin within the brain has been supported by the effective use of antidepressant drugs such as Prozac. Prien found that the symptoms of severe depression were reduced in 65-75% of cases. Therefore, we can conclude that without our understanding of there being at least some biological basis to depression, we would not have developed the biochemical treatment to redress this imbalance and help alleviate the symptoms.
Another strength of the biological approach is that it is based upon…