An international study has found a strong link between regular exercise and better brain function. This study, published in the Journal of Alzheimer’s Disease, shows that physical activities like going for walks or playing sports lead to bigger brain sizes in key parts that handle memory, learning, and processing information.
The main scientist, Cyrus A. Raji, points out that working out does more than just reduce the chance of getting dementia; it also helps to keep the brain large as we get older. The team discovered that even a moderate amount of exercise, like walking less than 4,000 steps daily, can improve brain health. This calls into question the common belief that we should aim for 10,000 steps each day.
🌀Lactate As Fuel
Moreover, this research adds to our knowledge that staying active leads to larger brains. Other studies have already shown a surprising connection between physical activity, how we break down lactate, and our brain’s well-being.
When we’re physically active, our muscles release lactate, which used to be considered just a leftover substance. But now we know this lactate actually powers our brains and works with cells called astrocytes to boost how well we think and feel.
🌀BDNF Too!
And we shouldn’t ignore BDNF (Brain-Derived Neurotrophic Factor), also known as “Miracle-Gro” for the brain. Exercise really increases BDNF levels, leading to the creation of new brain cells and making existing networks stronger—basically, it supercharges our mental capabilities!
Therefore, exercise does double duty for our brains by providing them with lactate energy and triggering BDNF production, which takes care of our mental health and keeps our minds sharp.
🌀What’s the bottom line?
Exercising is not just about being fit. The data from this new research and past studies show without doubt how much moving around benefits our brains. So, let’s stay active, push ourselves a bit more, and keep working out not just for our muscles but also for our minds.
Peter Zafirides, MD
Central Ohio Behavioral Medicine
PSYCHIATRY
COLUMBUS, OHIO
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