CNN —Neuroscientist Chris Nowinski has said he wants the NFL to investigate the apparent head injury suffered by Buffalo Bills quarterback Josh Allen during Sunday’s defeat to the Houston Texans. Allen’s head struck the turf in the fourth quarter after being tackled and lay motionless before being rolled over by his teammates. The QB came off the field and was directed to the sideline medical tent, where doctors assess players’ injuries. After emerging from the blue tent, Allen appeared to be offered smelling salts, which make players feel more alert before going onto the field. Allen said in his postgame press conference that he “felt good enough to go back into the game” after the incident.

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Persons: Chris Nowinski, Josh Allen, Sean McDermott, Allen “, Allen’s, Allen, McDermott, ” Nowinski, CNN’s Brianna Keilar, Boris Sanchez, “, ’, ” Organizations: CNN, NFL, Buffalo, Houston Texans, Bills, QB, WWE