A large foundation for the belief in critical periods for language are based on Genie, a feral child who was entirely unable to learn a spoken language despite significant efforts. Today, she can use some sign language but cannot speak.
https://en.m.wikipedia.org/wiki/Genie_(feral_child)
So the answer is largely believed to be: No. You cannot learn a spoken language if you missed the critical period.
It’s also literally impossible to test/study ethically, so nobody actually knows.
A known side effect of Ibuprofen (and most NSAIDs) is sweating, so the faster release tabs that aren’t in your system as long and thus clear out faster, dont have that aide effect… maybe