Loneliness Is a Brain Disease: The Neuroscience of America's Social Crisis
Social isolation is no longer simply a psychological or public health concern — it is a measurable neurological event with documented consequences for gray matter volume, cognitive processing speed, and inflammatory signaling in the brain. As loneliness rates among American adults reach historic levels, neuroscientists are building a compelling case for social connection as a frontline intervention in the prevention of accelerated brain aging. The implications for how we design care, communities