How Using Technology May Help Lower Your Dementia Risk

A new study is challenging the old idea that too much technology might harm our brains as we age. Instead, it suggests that using computers, smartphones, and the internet could actually help protect against dementia and cognitive decline later in life.

What the Research Shows

Researchers from two Texas universities reviewed 57 studies involving over 400,000 older adults. They found that people who used technology had a 42% lower risk of developing cognitive impairment or dementia compared to those who didn’t. This held true even after accounting for factors like education, income, and lifestyle, which means the benefits weren’t just because tech users were already healthier or wealthier.

Technology use in the study included a wide range of activities: using computers, browsing the internet, sending emails, and even engaging with social media. Interestingly, while most types of technology use were linked to better brain health, the results for social media were mixed.

Why Might Technology Help?

Experts believe that using technology keeps the brain active and engaged. Learning new skills, solving problems, and staying connected with others online can all stimulate the mind. This fits with the “cognitive reserve” theory, which says that challenging your brain helps it stay resilient as you age.

Technology can also help older adults stay socially connected, which is important because social isolation is a known risk factor for dementia. Even learning to use new devices or apps can be mentally stimulating, and studies show that even people with mild dementia can learn to use technology with some support.

What Are the Limits?

The study didn’t pinpoint exactly how much or what kind of technology use is best. It also didn’t track how long people used technology each day, so we don’t know if there’s a point where too much screen time could be harmful. The researchers caution that their findings shouldn’t be seen as a green light for endless scrolling or mindless use. Instead, they recommend using technology in ways that are enjoyable, creative, and intellectually stimulating.

Practical Tips for Older Adults

• Try learning a new app or device, even if it feels challenging at first.

• Use technology to stay in touch with friends and family.

• Play online games or puzzles that make you think.

• Explore new hobbies or interests through online videos or courses.

• Take breaks if you feel physical discomfort from too much screen time.

A Real-Life Example

Imagine a retired teacher who starts using a tablet to video chat with her grandchildren, play online chess, and join a virtual book club. Not only does she stay connected and entertained, but she’s also giving her brain a regular workout—potentially lowering her risk of cognitive decline.

The Bottom Line

Moderate, purposeful use of technology appears to be linked with better brain health in older adults. While more research is needed to figure out the best ways to use technology for cognitive benefits, staying engaged and curious—online and offline—seems to be a smart move for your mind as you age.

References: CNN

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