The p-factor

We typically think about different mental disorders as distinct conditions, which each requires its own treatment strategies and has its own risk factors. But findings from epidemiological and genetic research challenge this view: mental disorders overlap to a large extent and we should not see them as distinct categories but emerging from a common source. This is what is sometimes referred to as the p-factor. Avshalom Caspi and Terrie Moffitt, two researchers who have done a lot of work on the p-factor, have the following quote in one of their articles: