Exercise-induced bronchospasm (EIB) is a common clinical syndrome which is caused by temporary airway narrowing following exercise. EIB occurs in 12-15% of the otherwise asymptomatic general population, 30-40% of those with allergies and 90% of asthmatics.

Accidents and crashing is a hopefully infrequent occurrence in cycling, but when it does occur, care must be taken in the process of getting back out on the bike again. Beyond bike inspection along with caring for road rash and other obvious physical issues, the biggest issue is to make sure the head and brain are OK, and that means peering into the emerging science of concussions…