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

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