CSPAN Today In Washington August 4, 2010
>> and then to see how that impacts the trajectory of learning behavior's and so forth. those kinds of studies will continue to be extraordinarily important. one example that we have talked about -- if we look at children if the mother smokes, the child has twice as much chance of having it. if they are exposed to high levels of tobacco and led which are toxic, there -- they are over eight times as more likely. interactions is important. you can look at it as the same way as genes and environment. there can be tremendous risks for different kinds of problems. while it is critical to ...