A longitudinal study, published in the Journal of the American Geriatrics Society, found that older adults who regularly use the internet have about half the risk of developing dementia compared to non-users, even after adjusting for various factors. The ideal amount of internet usage associated with the lowest dementia risk is between 6 minutes and 2 hours daily, with risks rising for those not using the internet at all and those using it for more than 2 hours daily. ...