Increase in white matter lesions volume also seen
Threshold effect seen with meaningful benefit for participating in social activity almost every day
Women with lowest versus highest satisfaction score had highest odds of accumulating multimorbidity
Loneliness still increases risk even if individual is not socially isolated
Social isolation may be a modifiable risk factor for preventing Alzheimer disease-related dementias, authors say
Increase in depressive symptoms reported following use of Snapchat, Facebook, TikTok among U.S. adults free of depression at baseline