And the fact that you could have this sort of genetic vulnerability suggests that there is some sort of reality to these groups.

而这种基因易感性的事实表明这些群体之间存在某种现实性。

This way of thinking involves a combination of biological and genetic vulnerabilities -- diathesis -- and environmental stressors -- stress -- that both contribute to the onset of schizophrenia.

这种思维方式涉及生物和遗传脆弱性（素质）和环境压力源（压力）的结合， 这两者都会导致精神分裂症的发作。