University of Bergen May 18 2026 Mental disorders, such as obsessive-compulsive disorder (OCD) and bipolar disorder, can strongly affect daily life. They are usually caused by a mix of genetic risk and environmental factors like stress or adverse life events. But understanding how these influences work together has been a major challenge. Epigenetics helps explain this link. It refers to chemical changes that affect how genes work, without changing the DNA sequence itself. One key mechanism is

Tag-uri: DNA