Schizophrenia researcher E. Fuller Torrey and philosopher Awais Aftab discuss the genetic origins of schizophrenia. They question whether schizophrenia should be categorized as 'mostly genetic' and explore biases in twin studies and the interpretation of heritability numbers. They also explore the role of genetic and environmental factors in schizophrenia and debunk the misconception that genetic causes are less desirable. The podcast concludes by discussing different perspectives on classifying schizophrenia as an autoimmune, viral, or genetic disease.