We all know exercise is good for the body — but it’s also one of the most powerful tools for protecting the brain. Research consistently shows that regular physical activity supports memory, attention, and even helps delay cognitive decline.
Aerobic exercise — like walking, swimming, biking, or dancing — is especially effective. It increases blood flow to the brain and promotes the release of brain-derived neurotrophic factor (BDNF), a protein that supports neuron growth and survival.¹ Studies have shown that aerobic activity can increase the size of the hippocampus, the brain region critical for memory.²
Strength training is also beneficial. In older adults, resistance exercises (like lifting weights or using resistance bands) have been linked to better executive function and working memory.³ Additionally, balance and flexibility exercises, such as yoga or tai chi, can reduce fall risk and support coordination — which becomes more important with age.
The key is consistency. Aim for at least 150 minutes per week of moderate-intensity aerobic exercise, along with 2 days of strength training. Even light movement — like gardening or stretching — is better than none.
In short, moving your body helps preserve your mind. It’s never too late to start, and the benefits build over time.
Sources:
- Cotman, C. W., & Berchtold, N. C. (2002). Exercise: a behavioral intervention to enhance brain health and plasticity. Trends in Neurosciences.
- Erickson, K. I., et al. (2011). Exercise training increases size of hippocampus and improves memory. PNAS.
- Liu-Ambrose, T., et al. (2010). Resistance training and executive functions: a 12-month randomized controlled trial. Archives of Internal Medicine.
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