Basic summary is: just because there are environmental / other factors doesn't mean it's incorrect to say that gene's cause schizophrenia. In other worse, finding additional causal variables doesn't negate the causal impact of existing causal variables.
Basic summary is: just because there are environmental / other factors doesn't mean it's incorrect to say that gene's cause schizophrenia. In other worse, finding additional causal variables doesn't negate the causal impact of existing causal variables.