Peter Hitchens @ClarkeMicah
.@arbuthnotting. You obviously have not read the study you cite. Where is the testable or falsifiable objective evidence for the efficacy of bike helmets? Summarise it. — PolitiTweet.org
Arbuthnotting @arbuthnotting
@ClarkeMicah @chubbychaserlee You're conflating two issues, Peter. The overall impact of wearing helmets, given the… https://t.co/wPdGmD418Q