Cadmium is a known carcinogen and is similar to lead in that it can hinder brain development in the very young.

VOA: standard.2010.01.11

It's like the part of the brain that's responsible for language learning is only around early in development and if you don't get your language by then it'll just run out.

就好像负责语言学习的大脑区域,只是在发展的早期比较活跃,如果你没有在这个时候获得语言,那你就没有机会了

耶鲁公开课 - 心理学导论课程节选

At the University of California at Davis, Dr.Isaac Pessah is researching the impact of the environment on brain development and autism.

VOA: standard.2010.08.09

"What we know from research on teen brain development, is that teens don't really have fully developed brains until they're 25 years old."

VOA: standard.2010.06.24

(When you combine immature brain development and inexperience she says,) "you get a much,much higher risk."

VOA: standard.2010.06.24