January 12, 2016, 11am PST
Michigan's mandatory motorcycle helmet law was repealed in April 2012. It only took a week for Dr. Carlos Rodriguez to notice an increase in patients not wearing a motorcycle helmet in his trauma unit in Grand Rapids, so he launched a study.
February 12, 2015, 7am PST
A newly proposed bill in California comes down hard on one side of a hotly contested issue regarding the necessity of helmets in ensuring the safety of bikers.
May 19, 2014, 5am PDT
Should helmets be an optional accessory, rather than an absolute requirement? Or are helmets a sign of a culture not yet ready to embrace biking as a normal, safe activity?
October 1, 2012, 5am PDT
Elisabeth Rosenthal reflects on the deterrent to cycling, and the use of bike-sharing systems, posed by mandatory bike helmet laws. Does the rare serious injury prevented by a helmet outweigh discouraging cycling's wider health benefits?