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Studies have shown that socially isolated older adults are at greater risk for poor health and death than their well-connected counterparts. Now a new study—the first to examine whether social isolation also affects health care spending among older adults—finds that a lack of social contacts among older adults is associated with an estimated $6.7 billion in.....

Chronic social isolation has debilitating effects on mental health in mammals—for example, it is often associated with depression and post-traumatic stress disorder in humans. Now, a team of Caltech researchers has discovered that social isolation causes the build-up of a particular chemical in the brain, and that blocking this chemical...

Harvard University tracked 724 men over 75 years and discovered that more than education, more than economic standing, more than anything else in life, good relationships keep us happier and healthier. In this talk, psychiatrist Robert Waldinger shares three important lessons learned from the study as well as some practical, old-as-the-hills wisdom on how to build a fulfilling, long life.