Justin So Justin said it could be new things that are around and you're exposed to stuff we weren't exposed to before and that's true.

贾斯汀,贾斯汀认为我们周围的环境,出现了很多新物质,并且人们暴露在前所未有的环境中,这是事实

耶鲁公开课 - 生物医学工程探索课程节选

However, their biological relatives in Mexico would presumably have that same risk, but it would never be manifested if they're not exposed to what some have called a toxic food and physical activity environment.

而且,他们远在墨西哥的血缘亲属,可能也面临同样风险,但他们面临着所谓的有毒食物和活动环境,这个说法就不会得到证实

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选