um , ▁how ▁much ▁time ▁should ▁be ▁dedicated ▁to ▁physical ▁education , ▁and ▁its ▁impact ▁on ▁other ▁academic ▁subjects . ▁ ▁Another ▁study ▁found ▁that ▁sixth - grad ers ▁who ▁participated ▁in ▁vig orous ▁physical ▁activity ▁at ▁least ▁three ▁times ▁a ▁week ▁had ▁the ▁highest ▁scores ▁compared ▁to ▁those ▁who ▁participated ▁in ▁moder ate ▁or ▁no ▁physical ▁activity ▁at ▁all . ▁The ▁k ids ▁who ▁participated ▁in ▁vig orous ▁physical ▁activity ▁scored ▁three ▁points ▁higher , ▁on ▁average , ▁on ▁their ▁academic ▁test , ▁which ▁consisted ▁of ▁math , ▁science , ▁English , ▁and ▁world ▁studies . ▁ ▁Animal ▁studies ▁have ▁also ▁shown ▁that ▁exercise ▁can ▁impact ▁brain ▁development ▁early ▁on ▁in ▁life . ▁M ice ▁that ▁had ▁access ▁to ▁running ▁whe els ▁and ▁other ▁such ▁exercise ▁equipment ▁had ▁better ▁neur onal ▁growth ▁in ▁the ▁neural ▁systems ▁involved ▁in ▁learning ▁and ▁memory . ▁Ne uro im aging ▁of ▁the ▁human ▁brain ▁has ▁yield ed ▁similar ▁results , ▁where ▁exercise ▁leads ▁to ▁changes ▁in ▁brain ▁structure ▁and ▁function . ▁Some ▁investig ations ▁have ▁linked ▁low ▁levels ▁of ▁aer ob ic ▁fit ness ▁in ▁children ▁with ▁imp a ired ▁executive ▁function ▁in ▁older ▁adult s , ▁but ▁there ▁is ▁mount ing ▁evidence ▁it ▁may ▁also ▁be ▁associated ▁with ▁a ▁lack ▁of ▁select ive ▁attention , ▁response ▁in hib ition , ▁and ▁inter ference ▁control . ▁ ▁Effect s ▁on ▁central ▁nerv ous ▁system ▁dis orders ▁ ▁Add iction ▁ ▁C lin ical ▁and ▁pre cl in ical ▁evidence ▁indicate ▁that ▁consistent ▁aer ob ic ▁exercise