Australian researchers found that one simple type of workout increases cognitive skills by up to 37%.Australian researchers found that one simple type of workout increases cognitive skills by up to 37%.

Doing This at the Gym Twice a Week Makes You More Intelligent

In All Health Watch, Cognitive Health, Featured Article, Fitness and Exercise, Nootropics and Brain Support

Stop calling the weightlifters at your gym “muscle heads.” It turns out they may be smarter than you think

A new study shows for the first time that weightlifting can make you more intelligent.1

Australian researchers found that muscle strength is directly related to brain function. They designed a randomized double-blind placebo study of 100 seniors with mild cognitive impairment.2

They divided the seniors into four groups that performed different tasks:

  • Weightlifting and computerized brain training
  • Weightlifting and a placebo computerized training (watching nature videos)
  • Brain training and a placebo exercise program (seated stretching/calisthenics)
  • Placebo physical exercise and placebo cognitive training

The two weightlifting groups worked out twice a week for six months.

They did repetitions with weights that required at least 80% of their peak strength limit. As their strength increased, the amount of weight they used was increased to maintain the 80% threshold. Seniors in these two groups had strength increases of 70-94%.

After six months, scientists measured the brain power of the four groups using cognitive tests. They found “significant improvements in cognitive functioning” in the two weightlifting groups. Some subjects improved their brain function scores by as much as 37%.

Neither the cognitive training group nor the placebo group showed any improvement.3

The weightlifters’ mental benefits remained at 12-month follow-up testing even though the subjects had stopped working out.

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Weightlifting Strengthens Your Brain

The study was published recently in the Journal of the American Geriatrics Society. The results confirm earlier research. One study used MRI scans to show that weight training increases the size of brain areas associated with cognitive functioning. So far, studies do not indicate the same cognitive improvement for aerobic activities.4

Dr. Yorgi Mavros is an exercise physiologist at Sydney University. He is the lead author of the new study. He said it doesn’t matter which muscles you strengthen—arms, legs, or core. But it’s important that you work out at least twice a week.

“The key is to make sure you are doing it frequently, at least twice a week, and at a high intensity,” he said. “This will give you the maximum benefit for your brain.”5

Staving off mild cognitive impairment (MCI) is crucial to healthy aging.

It is estimated that at least 10% of Americans over 65 years old have MCI. It’s a slight but noticeable decline in memory and thinking skills. It’s often a precursor to Alzheimer’s. Some estimates state that 85% of MCI sufferers will eventually degrade to dementia.6

But Dr. Mavros says that weight training can clearly help seniors avoid mental deterioration. “The more we can get people doing resistance training like weightlifting, the more likely we are to have a healthier aging population,” he said.

Here’s something else you should know if you or someone you love is worried about Alzheimer’s… Studies on this natural herb are so promising, that Big Pharma is trying to turn it into a drug.

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In Good Health,

Angela Salerno
Executive Director, INH Health Watch

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