Study That Spurred Bike Helmet Fetish Was Repudiated By Its Own Authors

The authors of a study that helped foment the public and governmental obsession with bike helmets later issued research that undermined their initial findings. The 1989 study, by Frederick P. Rivara, Diane C. Thompson, and Robert S. Thompson, found that helmet usage reduced head injury by 85 percent, and the risk of brain injury by 89 percent. […]