Ancient viruses linked to schizophrenia, bipolar and depression

DNA in brain cells can affect mental health (Picture: Getty/Image Source)Ancient ‘fossil’ DNA in humans could leave people more susceptible to major psychiatric disorders such as schizophrenia, bipolar disorder and depression, a new study has found.The results could pave the way for better diagnosis and treatment.About 8% of the genome is made up of sequences called human endogenous retroviruses (HERVs) – products of ancient viral infections that occurred hundreds of thousands