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