College football players sustained far more concussions during practices than they did in games, medical researchers reported on Monday, a finding certain to add to the yearslong debate about regulating training regimens across the sport.
Much less clear is whether the college sports industry will nationalize safety reforms like those adopted by the N.F.L., which limits the number of full-contact practices per season, or some college conferences. But with the N.C.A.A. and its members facing urgent decisions on other fronts, including the coronavirus pandemic, far-reaching new rules may not be imminent.
The authors of the new study, published in JAMA