There were studies showing that mandatory helmet laws coincide with reduced cycling, and more cycling coincides with fewer deaths https://theconversation.com/d

There were studies showing that mandatory helmet laws coincide with reduced cycling, and more cycling coincides with fewer deaths https://theconversation.com/ditching-bike-helmets-laws-better-for-health-42 https://theconversation.com/ditching-bike-helmets-laws-bette... Has references to many papers