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Chronic fatigue syndrome (CFS) is a medically unexplained disorder characterized by chronic, disabling fatigue, muscle pain, impaired concentration and a variety of neurobiological symptoms that make everyday activities extremely difficult. While it has been suggested that patients with CFS may have...

Salivary IgA, heart rate and mood were measured in thirty individuals before and after experiencing care or anger. Two methods of inducing the emotional states were compared: self-induction and external induction via video tapes. Anger produced a significant increase in total mood disturbance and he...