Older adults who are digitally savvy may be less likely to face cognitive impairment as they age, a new study suggests. The average 80-year-old has witnessed an extraordinary boom in personal technology throughout their lifetime: born years before colour television, they’re growing old in the TikTok era. For years, scientists have fretted over whether the ubiquity of tech in daily life harms or helps our minds as we age. The research, published in the journal Nature Human Behaviour, is the latest to tip the scales toward the “help” category. Related How to lower your dementia risk as cases expected to rise by 2060 It pooled data from 57 studies spanning more than 411,000 adults aged 50 and older from around...