'MathMagic': Lead exposure destroys 825 million IQ points, alcohol shrinks your brain?

How many IQ points have Americans lost due to lead exposure? A recent study put that figure at 824,097,690 million, though its conclusion probably doesn't mean what you think it means. Another recent paper also grabbed headlines by suggesting that consuming even small quantities of alcohol can shrink your brain. It's a shocking conclusion—and probably incorrect. Join the American Council on Science and Health as we take a critical look at the evidence behind these misunderstood studies. Show notes: Getting the Lead Out No, Half a Beer Won't Shrink Your Brain