Cardio Exercises are Better For Your Brain 

Not all exercise benefits the brain equally, new research shows

Written by Angela Silva

The benefits of exercise go far beyond weight loss and muscle gain. You probably already know that your internal organs, specifically your brain, experience significant benefits from regular exercise. Exercise has the potential of neurogenesis occurring in a mature, developed hippocampus and reducing the amount of age-related holes in both the gray and white matter. The hippocampus is the area of the brain responsible for learning and memory. The implications of this discovery are vast and may contribute to the expanding research of age-related diseases of the brain.

But one group of researchers in Finland wanted to know – are some exercises better than others for brain health?

As it turns out, an experiment conducted using lab rats found that not all types of exercise benefit the brain equally.

In a 7-week study, the rats were assigned to one of three groups, each performing a different type of exercise. One group did sustained cardio activity, running at a regular pace for a certain amount of miles each day. One group did high-intensity interval training, sprinting at a high intensity for three minutes followed by two minutes of slow walking. The third group did the rat-equivalent of weight training, which involved climbing with tiny weights attached to their tails.

The rats were injected with a chemical marker that highlighted the appearance of new brain cells at the beginning of the study so that they could track the neurogenesis at the end.

The results, published in The Journal of Physiology, showed that compared with sedentary rats, some exercise yielded significant neurogenesis while others didn’t show any difference. Here’s the breakdown:

  • Cardio exercise showed the greatest amount of neurogenesis in the hippocampus, with the greatest results found in the rats that had run the furthest.
  • High-intensity interval training showed a moderate amount of neurogenesis compared to the sedentary rats, but not even close to the amount in the cardio rats.
  • The weight-training rats did not show any difference in brain tissue compared to the sedentary rats, although they were much stronger at the end of the study.

Of course there are benefits of each type of exercise other than hippocampus neurogenesis, and even other potential benefits to the brain, but this specific area of study showed that the effects of each type of exercise have a different impact on the brain.

And although rats are obviously not humans, the results still shed light on further research and potential benefits that humans could experience. So if you’re a gym rat (don’t you just love a good gym pun) who loves lifting, maybe you should consider throwing in a good run here or there. And if you’re already a cardio bunny, you probably read this with pride as your superior hippocampus reflected on all of your years of running.

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1 Comment

  1. Derek Lacoste
    March 19, 2016

    This is a really good exercise regimen. However if anyone is feeling discouraged about not having the equipment or access to a gym they should look at body weight exercise. As someone who is very fit and into different types of exercising body weight exercise is pretty great. You don’t have to have any equipment and it can be done from your home. It is also good for people that are self conscious about going to the gym for the first time for some reason. I personally like what recommends. He reviews a regimen that he loves so I would recommend you check it out

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