Football helmets made by four leading manufacturers showed vulnerabilities in tests designed to better understand player concussions, according to a new study.
University of Cincinnati engineers put popular football helmets made by leading brands through impact testing and found that no single design demonstrated superior reduction of potential concussion incidence or consistent energy absorption at every part of the helmet.
o 
Concussions from football are a health concern across all age groups from youth sports to professional leagues.
o
