Considering Tua's concussion history, and the risk that two concussions in a month increases the risk of developing chronic symptoms, I hope to see Tua out at least four weeks, even if he is asymptomatic this week and clears the protocol.
He made it through two concussions in a week two years ago, but I wouldn't want him to experience that twice, as it could lead to long-term changes in how he feels and even how he is able to perform.
If Tua's symptoms continue to persist all season and he isn't cleared, a consideration of retirement would be appropriate.
While each additional concussion is worrisome, unfortunately the number of concussions athletes sustain can sometimes influence the consideration of retirement long before that time comes.
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