Regularly practicing multiple languages may be a powerful lever for preserving brain youth and extending healthspan.

noli's read

The scientific community is converging toward a positive outlook, although a notable voice highlights the risk of causal confusion, a concern shared by researchers. Observational studies, particularly those compiled in systematic reviews like the one in 'Psychology and Aging', suggest that bilingualism could delay the onset of certain age-related cognitive declines. However, it is complex to disentangle whether it is the mental exercise of language that protects the brain or if it is socio-economic factors and educational level—often correlated with language learning—that act as true shields. The idea of a direct biological 'youth' effect on longevity remains, to date, a hypothesis that is difficult to isolate from lifestyle variables. In short, while cognitive challenge is beneficial for stimulating brain plasticity, attributing it to a direct increase in lifespan is a bold extrapolation that lacks robust clinical evidence.

the sources

1. 1r/longevity