<prompt> tafsiri zifuatazo kutoka kwa swahili hadi kiingereza.hatua yetu inayofuata ni kuelewa jinsi mazoezi inabadilisha ubongo - kwa hivyo tunaweza kuanzisha maagizo ya kibinafsi ya mazoezi kwa afya ya ubongo katika kuzeeka.  <response>: the next step will allow us to understand how physical activity changes brain activity - so that we can establish tailor-made routines to counter the effects of ageing on brain health. 