New Infectious Disease. Depression?

How about this?

A new study has found that depression may actually be a form of an infectious disease.

Major depressive disorder (MDD) should be re-conceptualized as an infectious disease, according to Turhan Canli, PhD, Associate Professor of Psychology and Radiology at Stony Brook University.

Dr.Canli suggests that major depression may result from parasitic, bacterial, or viral infection and has done experiments that illustrate possible pathways by which these microorganisms could contribute to the etiology of MDD..

MDD remains highly prevalent disease with some 15 to 20 percent of the population experiencing MDD at some point. Recurrence is common, and pharmacological treatments have not changed. Because the causal aspects of the disease are not clearly defined, research to find causes remains paramount to help improve treatments, according to

Here's why he thinks so: first, he points out that patients with MDD exhibit illness behavior such as loss of energy, and that inflammatory biomarkers in MDD also suggest an illness-related origin

Second, he describes evidence that parasites, bacteria and viruses that infect humans in a way that alters their emotional behavior. Thirdly, Dr. Canli sees the human body as an ecosystem for microorganisms and the role of genetics.

He suggests that future study be based on MDD as a physical ailment, not a psychological.  


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