why wouidl they pujt walls in protect telamon now i gotja skate extra carefuly or els ill get my 5th concusison of the weekl slamming face firs into a harjd concrete wal💔💔

My latest #concusison paper, currently under peer review, but can viewed as a preprint here.

Long-Term Cumulative Effects of Repeated Concussions in #Cyclists - Alan J Pearce, Doug King
www.preprints.org/manuscript/2...