Head injuries climb after Michigan repeals helmet law

(Reuters Health) - After Michigan repealed its helmet law, motorcycle riders who crashed there were 24 percent less likely to be wearing protective head gear and 14 percent more likely to suffer a head injury, a new study found.

The first statewide investigation since Michigan loosened its law in 2012 also showed a shift in the severity of head injuries diagnosed in emergency rooms, with more skull fractures and fewer mild concussions after the state allowed most bikers to ride without helmets.

"As an emergency physician and a public health researcher, I worry that the law (change) had a negative impact on the health and wellbeing of the people of Michigan, and I think that