Jason Kelce calls on the NFL to do more research into the long-term effects of concussions

Miami Dolphins QB Tua Tagovailoa suffered a concussion vs. the Buffalo Bills. Chase Daniel compares Tua's situation to Andrew Luck.

Miami Dolphins quarterback Tua Tagovailoa could return for the team's next game against the Arizona Cardinals on Sunday after missing the team’s last four games with a concussion.

Tagovailoa suffered a scary concussion against the Buffalo Bills in Week 2, the third diagnosed concussion of his NFL career. 

Jason and Travis Kelce were talking about Tagovailoa’s potential return to play during a recent episode of "New Heights," and it sparked a conversation about the long-term effects of concussions.

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Former NFL player Jason Kelce prior to a game between the New Orleans Saints and the Kansas City Chiefs at GEHA Field at Arrowhead Stadium.  (Jay Biggerstaff-Imagn Images)

"We were talking about this on the ‘Monday Night Countdown,’ Ryan Clark, like every single neurologist that they talked to did not say [conclusively] that he should stop playing football, and they all don’t know to what extent continuing to play football or continuing to get concussions is doing to long-term affect him," Jason Kelce said.

"Whether anybody else wants to talk about it, I guess I will right now. Like this has been the big shadow in distance in the NFL for the last decade, ever since that concussion movie came out. Like the reality is, nobody knows. It is scary to watch a guy go out and have the amount of concussions and the type of concussions Tua’s had and think that he is not doing something long-term here, but the neurologists clearly don’t know that he is."

Tagovailoa faced calls from former players and coaches telling him to retire following his latest