But other studies have found that while the incidence ratio has remained unchanged among overseas Chinese who maintain distinctive Chinese living habits, it has dropped among those with more Western lifestyles, thereby pointing to the effect of environment and living habits.
另一項研究發現，在仍維持中國特有生活習慣，如祭祖、吃稀飯等的華裔家庭，鼻咽癌罹患率並沒改變；但已完全西化，喝牛奶、吃麵包的新生代，罹患率則日漸下降。可見這種獨鍾「中國人」的癌症，與環境、生活習慣也有密切關係。