Morgan, C., Reininghaus, U., Reichenberg, A., Frissa, S., Hotopf, M., Hatch, S. L., & SELCoH Study Team. (2014). Adversity, cannabis use and psychotic experiences: evidence of cumulative and synergistic effects. The British Journal of Psychiatry, 204(5), 346-353.
There is robust evidence that childhood adversity is associated with an increased risk of psychosis. There is, however, little research on intervening factors that might increase or decrease risk following childhood adversity.