no one can pinpoint a specific day, weeks, months, etc. It will depend on the person. Yup i mentioned earlier researchers & medical scientists have no clue when. This study is ongoing, with the change of the brain's Nero cells [ plasticity ]. I am 'predicting,' years. Keep on truckin' ...& good luck, in the future!! Keep smilin'!
Biomechanist: Anatomy; Biology; Athletic Training; Physiology; Motor Development & Learning; Kinesiology; Psychology; Exercise Science; EMT skilled.