Lead is even deadlier than was feared
<i>"Looking back, it seems insane. Bluntly put, we took a known poison and – for three quarters of a century – used it in machines that puffed it out in breathable form. Then we drove them millions of miles a day, all over the world, regularly dosing billions of people with the toxin."</i><p>We are still doing just that, even though we are using milder poisons now.