🧠 Speaking multiple languages may keep the brain youthful for up to 13 years
New research suggests that people who speak more than one language may have brains with characteristics that classify them as younger than their true chronological age, with a stronger effect among those who learned multiple languages at an early age and with higher proficiency.
These findings open promising prospects for understanding how learning multiple languages affects brain health and mental ability as we age.
🧬 How does the brain change with age?
The brain relies on continuous communication between billions of nerve cells, and these cells generate weak magnetic signals when their brain activity increases.
As age advances, these neural connections begin to decline, leading to slower thinking and reduced memory.
These changes are considered natural signs of aging, but they may affect quality of life and mental abilities.
🧪 The study: How do multiple languages help the brain resist aging?
Dr. Lucia Amoroso from the Basque Center on Cognition, Brain, and Language in Spain, along with a global team, presented research findings during the 2026 European Union Neuroscience Conference.
The research focused on residents of the Basque Country in Spain, which brings together Spanish, Basque, French, and English, and the sample included 728 people who spoke from one language to four languages.
The researchers used magnetoencephalography to measure magnetic fields resulting from neural activity, then applied artificial intelligence models to analyze patterns of brain activity and estimate brain age relative to chronological age.
📊 Study results: Differences in brain age by number of languages
- People who speak two languages show a brain that is about 6 years younger compared with people who speak one language.
- Those who speak three languages had a brain that was 7 years younger.
- As for those who speak four languages, the age gap between brain age and chronological age was about 13 years, a significant difference that reflects the major benefit of multilingualism for the brain.
It is not only the number that matters; high mastery of languages and learning them at an early age have an increasing effect in slowing the signs of brain aging.
🌱 Explaining the effect: How does multilingualism affect the brain?
It appears that the experience of learning several languages improves the brain’s ability to communicate between nerve cells, which strengthens neural networks and delays the sluggishness and weakness that accompany aging.
This suggests that multilingual experience is not merely a binary trait (that is, speaking only two languages), but rather a gradual state that depends on the degree of commitment, proficiency, and the length of time a person practices these language skills.
🧠 Other factors and study limitations
The researchers took into account factors such as age, sex, and education, but they acknowledged the possibility of other effects on brain health, including lifestyle, social interaction, and mental and behavioral activities.
This means that multilingualism is just one contributing factor within a complex set of factors that preserve brain health.
🧩 Future prospects: Language and brain health in neurological conditions
The researcher and her team plan to explore whether the same pattern of increased brain age also occurs in people suffering from neurodegenerative diseases such as Alzheimer’s disease.
This could open opportunities to understand whether the multilingual experience helps enhance brain resilience, meaning the brain’s resistance and its ability to confront neurological decline.
The team also aims to study the effect of multilingualism among similar languages, because moving between close language systems requires greater mental control, which may enhance cognitive benefits.
✨ Supporting language learning for better brain health
Expert Christina Dalla stresses that continuous learning, especially learning new languages, is a meaningful mental activity that supports brain health in the long term.
- Learning a new language activates multiple brain regions.
- Starting early increases the health benefits.
- Community support and educational institutions are essential to promote language learning throughout life.
These practices are not aimed only at the social and cultural aspects; they also have important benefits in delaying the deterioration of cognitive abilities in individuals.
🩺 Article summary
The study indicates that speaking multiple languages helps slow brain aging by up to 13 years in those with advanced experience, especially among those who began learning new languages at an early age and mastered them efficiently.
This effect may result from intense neural activity and the activation of multiple brain centers during the use of different languages, which keeps brain cells cohesive and connected for longer.
The study calls for supporting the learning of more than one language and developing related skills at different educational stages as a way to promote brain health, while emphasizing that this is part of a broader set of essential factors for what is called long-term brain care.
📚 Related articles
Discover more from Mohdbali
Subscribe to get the latest posts sent to your email.
