Exercise can significantly improve cognitive function by enhancing blood flow to the brain and promoting the growth of new brain cells. Regular physical activity releases neurotransmitters such as serotonin and dopamine that are crucial for mood regulation and cognitive performance. Moreover, structured exercise has been linked to improvements in memory, attention, and problem-solving skills. Overall, the combination of increased blood flow, hormone regulation, and psychological benefits makes exercise a vital component for maintaining cognitive health, particularly as one ages.