Scars of great peanut hysteria finally fading
The journal Pediatrics published a study on Monday showing that peanut allergies in the United States have dropped by more than 40 percent in recent years. Scientists believe that’s largely thanks to changes in federal guidelines a decade ago that encouraged parents to introduce foods containing peanuts to babies in their first year of life. This trend is worth celebrating on public health grounds. It also represents a triumph of science over hysteria — a cautionary tale about the harm that public health advocacy can cause when experts fall prey to groupthink. America’s ...