How exercise boosts memory and brain function

When most people think about exercise, they imagine stronger muscles, a healthier heart, or a bulkier body. But did you know that regular physical activity can also strengthen the brain?

Research reveals that exercise not only improves memory and learning but also protects us from neurological diseases.

So, why does the brain need exercise? One reason is blood flow. Exercise improves circulation, ensuring that the brain receives a steady supply of oxygen and essential nutrients. The extra fuel keeps brain cells active and functioning at their best. Just as our body needs food for growth, brain cells depend on oxygen and glucose to stay strong, and exercise delivers both more effectively.

Physical activity triggers the release of a powerful protein called brain-derived neurotrophic factor (BDNF). This protein encourages the birth of new cells and strengthens the connection between them. This process, known as neuroplasticity, makes the brain more adaptable, helping us learn faster and remember better.

Exercise reduces stress hormones and boosts the release of "feel-good" chemicals like serotonin and dopamine. These natural mood-lifters protect the brain and also improve focus and emotional balance. This is why people often feel calmer and more energetic after physical activity.

Now, what can we do to keep our brains young? One powerful way to do so is through regular exercise. Studies show that engaging in regular physical activities lowers the risk of memory loss. It helps maintain brain volume and slow down cognitive decline, allowing us to stay mentally sharp as we age.

So, why should we exercise? The answer is simple: it benefits both the body and the brain. Whether it's going on walks, doing yoga, or working out daily, every moment fuels our brain, reduces stress, grows new cells, and protects memory.

The author is a student of grade 9 from Bangladesh International School and College, Mohakhali.