article_snippet.sent: Depression should be re-defined as an infectious disease rather than an emotional disorder, argues one scientist.
article_snippet.sent: The condition could result from a parasitic, bacterial or viral infection and future research into The condition should search for these micro-organisms, argues Dr. Turhan Canli, of Stony Brook University, U.S.
article_snippet.sent: If his theory is true, his hopes a vaccination to protect against depression could be developed in future.
article_snippet.sent: Instead of conceptualising major depression as an emotional disorder, I suggest to re-conceptualise it as some form of an infectious disease. '
article_snippet.sent: I propose that future research should conduct a concerted search for parasites, bacteria, or viruses that may play a causal role in the etiology of major depression.'