Biological Depression

The biological aspect of depression is very important it relates to genes and how we are capable of carring this through various generations. The classic biogenic amine theory of depression suggests that a shortage of noradrenalin and serotonin in the synaptic clefts is the neurobiological basis of depression. A molecular and cellular theory of depression states that stress-induced vulnerability and the therapeutic action of antidepressant treatments that takes place because such intracellular mechanisms that decrease or increase, respectively, the neurotrophic factors necessary for the survival and function of particular neurons.

Depression is often accompanied by certain biological alterations, which may well explain the comorbidity of depression and various diseases. Depression also can be carried in genes and may be sometimes hereditary which does not benefit us at us. This also states that while somtomes depression is considered a disease and is therefore hereditary like any other disease just like cancer or diabetes.

http://www.healthyplace.com/depression/main/causes-of-depression/menu-id-943/