Social isolation and loneliness in older adults is associated with an increased risk for poor mental and physical health and increased mortality.[66][67] There is an increased risk for early mortality in individuals experiencing social isolation compared to those who are not socially isolated.[68] Studies have found social isolation is associated with increased risk in physical health conditions including high blood pressure, high cholesterol, elevated stress hormones, and weakened immune systems.[69] Research also suggests that social isolation and mortality in the elderly share a common link to chronic inflammation with some differences between men and women.[70] Social isolation has also been found to be associated with poor mental health including increased risk for depression, cognitive decline, anxiety, and substance use.[66] Social isolation in elderly individuals is also associated with an increased risk for dementia.[68] However, not all studies found social isolation associated with the risk of poor health outcome
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