Do scientists think there’s a big environmental component to the huge rise in peanut allergy cases in the U.S. and beyond in recent years?
Dear EarthTalk: What is the latest thinking on the environmental causes (if any) of autism? I hear so much conflicting information I don’t know what to believe. —Bill Stribling, Austin, TX In the 1980s, about one in 2,000 American kids was diagnosed with autism. […]