If the scientific findings don't agree with the political beliefs of the committees, then the research is taken by Congress and disposed of as Congress sees fit.
This from the same body that puts Michelle Bachmann on the "Intelligence" committee. Gives you an idea of what kind of loons could be on the Committee on Commerce, Science, and Transportation of the Senate and the Committee on Science, Space, and Technology of the House of Representatives.
We know exactly what they would have done with the research that showed smoking causes cancer.
Dumbasses.