Social isolation has a direct causal impact on how quickly cognitive function declines in later life, independent of whether someone feels lonely.

Using longitudinal data from the US Health and Retirement Study, this study applied causal inference modeling to disentangle ...

New research from the University of St Andrews has discovered a direct causal effect between social isolation and a faster ...

Scottish researchers  discovered a direct causal effect between social isolation and a faster decline in cognitive ...

Social experience sculpts the teenage brain. Source: iStock/pixelfit Humans are fundamentally social, and perhaps never more so than in adolescence when hanging out with friends is the top priority ...

(CNN) -- If you're lonely or socially isolated, you might have a higher risk of early death, according to a large new study. There have been many studies on the associations between social isolation, ...

We've all felt lonely at some point in our lives, whether during the COVID-19 pandemic, an illness, or after losing a family member. People can even feel lonely even when surrounded by others. In 2023 ...

The study, published today (16 December 2025) analysed 137, 653 cognitive function tests taken between 2004 and 2018 by over 30 000 individuals. It found a consistent pattern of higher social ...