Immune System Controls Social Behavior, Study Finds

Your immune system protects you from disease. New research finds that it may even control your behavior. A study published on July 13 in the journal Nature may point the way toward future treatments for neurological conditions. The immune system connects to the brain in ways that scientists are only beginning to understand.  Since the 1930s, researchers have noted a strong correlation between neurological dysfunction—such as schizophrenia, autism, and Alzheimer’s disease—and symptoms of immune system dysfunction, such as autoimmune disease, and gastrointestinal problems. But how these pieces fit together has remained a mystery. Related Coverage For decades, the immune system was thought to have no direct connection to the brain because it had no connection to the lymphatic system (the network that carries immune cells throughout the rest of the body).…


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