Q: What do people with schizophrenia, bipolar disorder, depression, addiction, obsessive-compulsive disorder, and anxiety have in common? A: A brain with similar gray-matter loss

. Dif­fer­ent men­tal dis­or­ders cause same brain-mat­ter loss, study finds (press release): “A meta-ana­ly­­sis of 193 brain-imag­ing stud­ies shows sim­i­lar gray-mat­ter loss in the brains of peo­ple with diag­noses as dif­fer­ent as schiz­o­phre­nia, depres­sion and addiction…The find­ings call into ques­tion a long­stand­ing ten­den­cy to dis­tin­guish psy­chi­atric dis­or­ders chiefly by their symp­toms rather than their underlying…

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