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The biology of depression is the attempt to identify a biochemical origin of depression, as opposed to theories that emphasize psychological or situational causes. Scientific studies have found that different brain areas show altered activity in humans with major depressive disorder (MDD) . [ 1 ]
Another way cytokines can affect depression is in the kynurenine pathway, and when this is overactivated, it can cause depression. This can be due to too much microglial activation and too little astrocytic activity. When microglia get activated, they release pro-inflammatory cytokines that cause an increase in the production of COX 2.
Source: o5com, Flickr. Let me preface this by saying that not all stress is bad for you. In fact, stress is what often allows us to grow into more productive and independent individuals.
Theories of a proposed stress–illness link suggest that both acute and chronic stress can cause illness, and studies have found such a link. [58] According to these theories, both kinds of stress can lead to changes in behavior and in physiology. Behavioral changes can involve smoking and eating habits and physical activity.
A third cause, in very rare cases, can be inheritance. Some research has shown that very few people have the genetics for the potential to develop mental distress. However, there are many factors that must be accounted for. Mental distress is not a contagious disease that can be caught like the common cold. Mental distress is a psychological ...
This article originally appeared on The Columbus Dispatch: Seasonal depression causes, symptoms, treatments and more. Show comments. Advertisement. Advertisement. Holiday Shopping Guides.
Epigenetics of depression is the study of how epigenetics (heritable characteristics that do not involve changes in DNA sequence) contribute to depression. Major depressive disorder is heavily influenced by environmental and genetic factors.
Chronic stress from grief can impact the body in several ways. ... the loss can even cause a phenomenon known as the “widowhood effect,” which puts them at a higher risk of dying themselves ...
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