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Working Out to Stay Sharp: Can Exercise Keep Your Brain Healthier?

Scientists are finding out that exercise may also improve our brain health.

We’ve all heard that exercise is good for us. Experts recommend getting at least 150 minutes of moderate-intensity aerobic activity each week. This can include brisk walking, biking, playing tennis, or even pushing a lawnmower. Strength training, like lifting weights, push-ups, or sit-ups, is recommended at least two days a week.

Many benefits of physical activity are well-known. Aerobic exercise can help you maintain a healthy weight by burning fat. It can also keep your heart healthy. Strength training can help to build muscle mass and strengthen your bones. Stretching can improve flexibility and range of motion. And balance exercises can prevent falls. Scientists are finding out that exercise may also improve our brain health.

Research has shown that when you exercise, many different molecules are released into your bloodstream. These molecules travel to different organs and tissues, where they trigger changes that help your cells withstand the physical stress of the physical activity.

“You’re basically telling your body, ‘You need to prepare for something,’” explains Dr. Saul Villeda, who studies the aging brain at the University of California, San Francisco. In
preparing to withstand exercise, cells also seem to get better at withstanding the effects of aging.

As we age, our cognitive abilities often start to decline. We may have difficulty with learning and memory. That’s because our brains undergo cellular changes as we get older. The protective barrier around the brain also changes, altering which substances can get into your brain. Some of these have potentially harmful effects.

Studies in mice and rats have shown that physical activity can partially offset these changes. And it can prevent at least some of the cognitive decline that occurs with age. These benefits haven’t just been seen in mice, either. Research has also shown a link between aerobic exercise and better memory in people.

Certain aerobic activity-induced molecules have been shown to boost cognitive functions in mice. Villeda and colleagues are studying one called GPLD1. They’ve found that it’s at least partly responsible for why exercise improves new brain cell formation, learning, and memory in aged mice.

Villeda’s team has also shown that more active older adults have more GPLD1 in their blood. This suggests that GPLD1 may have a similar function in people. GPLD1 production has shown effects similar to exercise in the brains of mice. So, Villeda hopes that one day GPLD1 can help improve the health of people who aren’t able to exercise.

Don’t be discouraged if the recommended amount of exercise seems overwhelming. It’s okay to start small. “A little bit goes a long way,” Villeda says. “Even just moving a few minutes extra that you wouldn’t have done already has a benefit.” He notes that his research findings have motivated him to start exercising, which he didn’t do before. “Even though I’m dealing with mice, the benefits that I can physically see in them have compelled a couch potato [like me] to actually get up and start exercising.”

Making Exercise Part of Your Routine

  • Get active with others. Find a neighbor, family member, or friend that shares your goals.
  • Join a team, an exercise group, or class.
  • Keep track of your progress. Use an activity log or a fitness tracker. This can help you to set goals and stay motivated.
  • Find ways to make exercise more fun. Dance, listen to music while you exercise, or do a combination of activities to keep from getting bored.
  • Do what you can. Even five minutes of activity is better than none.

This article is courtesy of NIH News in Health. As with anything you read on the internet, this article should not be construed as medical advice; please talk to your doctor or primary care provider before changing your wellness routine. WHN does not agree or disagree with any of the materials posted. This article is not intended to provide a medical diagnosis, recommendation, treatment, or endorsement. Additionally, it is not intended to malign any religion, ethnic group, club, organization, company, individual, or anyone or anything. These statements have not been evaluated by the Food and Drug Administration. 

Content may be edited for style and length.

References/Sources/Materials provided by:

https://newsinhealth.nih.gov/2025/01/working-out-stay-sharp

https://pubmed.ncbi.nlm.nih.gov/32646997

https://worldhealth.net/news/trying-exercise-more-do-something-you-enjoy/

https://worldhealth.net/news/sports-staying-active-and-have-fun-we-age/

https://worldhealth.net/news/3-months-regular-mild-exercise-may-enhance-brain-health/

Posted by the WHN News Desk
Posted by the WHN News Deskhttps://www.worldhealth.net/
WorldHealth.net The original website of the A4M. Non-Profit trusted source of non-commercial health information, and the original voice of the American Academy of Anti-Aging (A4M). To keep receiving the free newsletter opt in.
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