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Inverse
Timothy Powell,, ,Douglas Nixon,, ,Rodrigo Duarte, and ,The Conversation

Is Ancient Viral DNA To Blame For Depression, Schizophrenia and Bipolar Disorder?

— koto_feja/E+/Getty Images

Around 8% of human DNA is made up of genetic sequences acquired from ancient viruses. These sequences, known as human endogenous retroviruses (or Hervs), date back hundreds of thousands to millions of years — with some even predating the emergence of Homo sapiens.

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