Farrelly Chiropractic Blog Vigorous Exercise and Brain Health
Physical exercise is critical in maintaining brain health and preventing age-related cognitive decline, becoming a focal point in recent neurological research. Dr. Axel Montagne is a significant advocate of this idea, emphasizing the importance of maintaining a high heart rate with regular vigorous exercise.
Dr Axel Montagne is from the UK Dementia Research Institute at the University of Edinburgh Centre for Clinical Brain Sciences.
He believes that brain health is fundamentally linked with cardiovascular activity. A lack of this activity negatively impacts the brain’s capillaries, resulting in neuron loss. Fast blood flow on the blood vessels drives this symbiotic relationship, offering a mechanical stimulus with distinct biological effects.
As our heart rate rises during exercise, blood flows more quickly through our bodies, including our brains. This rapid blood flow applies shearing forces to our blood vessels, especially those at the brain-blood barrier. Activating this barrier stimulates the production of the brain-derived neurotrophic factor (BDNF). This crucial protein supports the health of current neurons and fosters the growth of new neurons and synapses.
"We need to exercise no matter what. If you want to stay healthy in terms of brain function, you have no other choice"- Axel Montagne, PhD
The Branching Capillary Network
The crucial role of our smallest blood vessels, or capillaries, is often overlooked. Yet, smaller in diameter than a hair strand, these minuscule vessels comprise 90% of our brain vasculature. These tiny vessels collapse, constrict, and eventually vanish without adequate exercise.
The Implications of Capillary Loss
Capillary loss has severe and far-reaching implications. Neurons surrounding these vessels start dying as they depend on them for oxygen and vital nutrients. This dependence underscores the undeniable importance of exercise for overall brain health. Vigorous exercise maintains capillary health, supports neuron survival, and enhances brain function.
Remember, exercise benefits extend beyond the brain. Regular physical activity bolsters heart health and can stave off age-related vision decline. Yet, the primary focus is the brain because decreased brain health and cognitive function drastically reduce the quality of life.
Dr. Montagne warns that inactivity and genetic risk factors hastens cognitive decline. Numerous studies support this understanding, underscoring exercise’s preventive role. The message stands clear: to preserve our brain health as we age, regular exercise isn’t just an option; it’s essential.
In our quest for a world that prioritizes cognitive health, we can’t emphasize the importance of exercise enough. Research in this area draws substantial funding and focus, signalling a promising shift in our comprehension of brain health. As Dr Montagne advocates, we should view regular vigorous exercise as fundamental for brain health and defence against cognitive decline.
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