A neuroscientist shares the 4 brain-changing advantages of workout– and just how much she does weekly

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A neuroscientist shares the 4 brain-changing benefits of exercise—and how much she does every week

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When we consider the advantages of workout, we normally think about much better sleep, more energy, keeping a healthy weight, more powerful muscles or a much healthier heart.

These are all real. But we hardly ever think about the instant results that exercise can have on the most crucial organ in our bodies: the brain.

Through my years of research study as a neuroscientist, I’ve discovered that working out is among the most transformative things you can do to enhance cognitive capabilities, such as finding out, believing, memory, focus and thinking– all of which can assist you end up being smarter and live longer.

How workout improves your brain health

1. It reduces sensations of stress and anxiety

Studies have shown that every time your move your body, a number of beneficial neurotransmitters, including dopamine, norepinephrine, serotonin and acetylcholine, gets released into your brain.

These substances can decrease feelings of anxiety and depression. (Think of them as a neurochemical “bubble bath” for your brain.)

It only takes between 10 and 30 minutes of daily physical activity to instantly life your mood. No gym membership? Take a short walk, or use the stairs instead of the elevator.

When I’m crunched for time, I’ll simply pace a few laps around my dining room table.

2. It improves your focus and concentration

In one of my lab experiments, I found that a single workout can help improve your ability to shift and focus attention.

This is an immediate benefit that can last for at least two hours after 30 minutes of exercise. I recommend activities that increase your heart rate, such as brisk walking, running, swimming, cycling, playing tennis or jumping rope.

Studies have also shown that one workout session can improve your reaction times — which means, for example, that you’re going to be much faster at catching that cup of coffee before it falls off the table.

3. It promotes the growth of new brain cells

One of the most significant benefits of exercise, scientists have found, is that it promotes neurogenesis, or the birth of new brain cells. This is essential to improving cognitive function.

Researchers have shown in rats and mice that running ramps up the creation of new brain cells in the hippocampus, a small seahorse-shaped part of the brain devoted to memory formation and storage.

Exercise also can improve the health and function of the synapses between neurons in this region, allowing brain cells to better communicate.

4. It protects your brain from aging and neurodegenerative diseases

Imagine your brain as a muscle: the more workout you put into it, the stronger and bigger it gets.

Longitudinal studies in humans suggest that regular exercise can increase the size of the hippocampus and prefrontal cortex, both of which are susceptible to neurodegenerative diseases such as dementia and Alzheimer’s.

So while exercising won’t completely prevent or cure normal cognitive decline in aging, doing it consistently can help reduce or delay the onset of it. In many ways, exercise is like a supercharged 401(k) for your brain — and it’s even better, because it’s free.

You don’t have to become a triathlete



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