Archive · 13 Nov 2025
Multilingualism Linked to Slower Biological Aging, Study Suggests
Imagine your body has a 'real' age based on your birthday, and a 'body' age based on how healthy you are.
Sometimes, people's bodies are older than their birthdays suggest, which is called accelerated aging.
A new study looked at many people in Europe and found that speaking more than one language might help slow down this accelerated aging.
People who only speak one language were twice as likely to have bodies that seemed older than they actually were.
For every extra language someone speaks, their risk of accelerated aging goes down.
Scientists think this is because using multiple languages keeps the brain active and might also help people feel less stressed and more connected.
The study suggests that if you speak many languages, your body might age more slowly.
Speaking two or more languages is linked to a lower risk of accelerated biological aging.
Monolingual individuals are twice as likely to experience accelerated aging compared to multilinguals.
Each additional language spoken reduces the risk of accelerated aging by approximately 9% to 29%.
The study analyzed data from over 86,000 people across 27 European countries.
The protective effect of multilingualism may be diminished when immigration patterns are considered.
- Who
- An international team of neuroscientists led by Augustin Ibanez
- What
- Found that multilingualism is linked to slower biological aging, with each additional language strengthening the protective effect.
- When
- Findings published on Monday in the journal Nature Ageing.
- Where
- Study conducted across 27 European countries.
- Why
- Multilingualism may lead to healthier, slower-aging trajectories through reduced chronic stress, inflammation, improved cardiovascular and metabolic functions, and enhanced social networks.
Multilingualism Offers Protective Edge
Context Matters for Multilingual Benefits
Impact of Immigration on Multilingualism's Protective Effect
Multilingualism Offers Protective Edge
The protective effect of speaking multiple languages remains consistent even after accounting for socio-economic factors.
Context Matters for Multilingual Benefits
When immigration patterns were considered, the protective effect of multilingualism disappeared.
- Study Participants
- 86,149 individuals aged 51-90
- Geographic Scope
- 27 European countries
- Publication Journal
- Nature Ageing
- Risk Reduction per Language
- Approximately 9% for one extra language, 20% for two, 29% for three.
- Bio-behavioral Age Gap
- Difference between chronological and biological age; positive indicates accelerated aging.