Childhood loneliness raises risk of dementia in adulthood: Study
Childhood loneliness raises risk of cognitive decline and dementia in middle and later adulthood, according to a study published in JAMA Network Open. Study found that even if individual isn't lonely anymore in adulthood, the risk still remains. Loneliness triggers stress hormones like cortisol, overactivating nervous system and can damage the hippocampus, which plays key role in memory, it added.