Learning another language appears to slow brain ageing by up to 13 years

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• Hacker News
• [dupe] Discussion on source: https://news.ycombinator.com/item?id=48805652
  by ChrisArchitect
• One thing that stood out to me some years ago and I found interesting is that depending on the language I'm using my thought patterns kind of change.

  Putting in another term, I think differently in different languages.

  by libertine
• This phenomenon is referred to as the Sapir-Whorf hypothesis: https://en.wikipedia.org/wiki/Linguistic_relativity
  by sidpatil
• Link to the actual research?
  by zaik
• https://www.nature.com/articles/s43587-025-01000-2
  by giuliomagnifico
• > they could not rule out the potential influence of other factors that may have an impact on the brain, such as lifestyle and social engagement.

  Social engagement has been shown in many ways to be crucial to health.

  by lapcat
• Learning is the brains way of exercising, though I believe you genuinely need to want to learn something which helps in the slowing of ageing part
  by KashifNY
• From the article: "the earlier you speak them, the better"

  I don't think that this quite matches the notion that learning is the brain's way of exercising, if learning/exercising as a child prevents aging more than learning/exercising as an adult.

  Imagine if we could get all of our physical exercising in as children and become lazy as adults. ;-)

  An alternative hypothesis might be that conversation is the brain's way of exercising.

  by lapcat
• Years ago, when I was considering putting effort and time into learning more computer programming languages, I realized I cared far more about learning other human languages: I was a recent parent, and the importance of strong, positive bonds with other humans was dawning on me, along with an appreciation for mortality. So, I dropped a few energy levels in the computing realm and jumped into learning more spoken languages, using Anki, library books, podcasts, movies in the target languages (thanks to kanopy, another public-library resource paid for by tax money), and, more recently, Clozemaster and Mango (through the local public library! and they have some indigenous north american languages, but none from the region where I currently live; I'll seek local help for that).
  by meristohm
• > The researchers took account of factors such as people’s age, sex and education, but cautioned that they could not rule out the potential influence of other factors that may have an impact on the brain, such as lifestyle and social engagement.

  Perhaps it's just a correlation. Number of spoken linguages may correlate with income, frequent travel, sociability, or other factors that improve or filtre for health, brain health included.

  by Qem
• Conversely, I would not be shocked to see the vast majority of multi-linguals to be low-income immigrants.
  by HugoTea
• 13 years if you speak 4 languages, 6 years for two languages:

  > The study found that those who spoke two languages had brains that appeared around six years younger than those who spoke only one language. People who spoke three languages had brains that appeared around seven years younger, and for those who spoke four languages, their brains appeared about 13 years younger.

  by giuliomagnifico