LOS ANGELES — Here’s one solution to the National Football League’s concussion problem: Stop playing at sea level.
Researchers have found that concussion rates are about 30 percent lower in games played at higher altitudes.
The finding was based on an analysis of all 300 concussions reported during the first 16 weeks of regular-season NFL games in 2012 and 2013.
For every 10,000 times a player suited up, there were 64.3 concussions. But that figure varied with elevation. The concussion…