We debunked the new EWG report yesterday on how chemicals are found in our bodies. It relied on scare tactics and shoddy science. But it also appealed to an implicit conviction: that manmade chemicals are everywhere and they’re bad for us. Of course chemicals are everywhere. But this isn’t inherently bad. In fact, it’s often a good thing, and denying that despite the evidence can be dangerous. With so many fearmongerers broadcasting distrust, we decided it’s time to remind people of the progress made through the discoveries of modern science. Last week we covered GMOs. This week’s focus is the greatest medical advance in 150 years: Sanitation. We often take...