Featured in Science Digest #94

Regular use of math and reading skills could prevent cognitive decline with age. Digest

www.science.org

Conventional wisdom suggests that cognitive skills begin to decline in early adulthood, but this assumption may be misleading. A recent study found that cognitive skills—specifically math and reading skills—actually improve into one’s forties before experiencing a decline, and using these skills regularly is crucial in determining how abilities change over time.

Researchers analyzed data from a previous German study that monitored more than 3,200 adult participants over time, allowing for the identification of genuine age-related changes in cognitive abilities. They also considered measurement errors that could skew results.

Digest email preview

You just missed this in your inbox

Every other week our Premium Members received this exact study plus Rhonda's practical commentary and 8+ other hand-picked papers.

They found that math and reading skills continued to improve into the participants' forties. After that, literacy declined slightly, while numeracy dropped more sharply—but only for participants with below-average skill usage. Those who regularly engaged in complex tasks at work or home, particularly white-collar and highly educated participants, maintained or improved their skills well beyond midlife. However, women experienced steeper declines in numeracy as they aged.

These findings suggest that cognitive decline is not inevitable. Remaining mentally engaged through work and daily activities may help preserve or enhance cognitive abilities beyond middle age. Maintaining healthy blood flow to the brain through vigorous exercise can support cognitive function in aging. Learn more in this episode featuring Dr. Rhonda Patrick.