I think this one is decent: > In 1989, The New England Journal of Medicine published a study that looked at hundreds of cyclists treated at Seattle-area hospit

I think this one is decent: > In 1989, The New England Journal of Medicine published a study that looked at hundreds of cyclists treated at Seattle-area hospitals. The research team concluded that helmets “reduce the risk of head injury by 85 percent and of brain injury by 88 percent.”