Exercising would increase your dose.

204

We see that pollution is a problem from the cradle to the grave.

198

It's what we can't see that is most dangerous to us.

159

I think that's something we need to investigate further.

156

The risks in L.A. are actually two to three times greater to what was observed in earlier studies.

141

It comes from any powerful fuel combustion: coal, gas, factories, cars.

111