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  Older adults with insomnia have an altered immune response to stress that increases levels of interlukin 6 up to 4 fold, which may increase the risk of illness and death. In this study that was published in February of 2012 in the American Journal of Geriatric Psychiatry, there were 83 people with an average age of 61. Twenty seven percent were poor...

  A study published in March of 2011 showed that low levels of vitamin D failed to inhibit the inflammatory cascade and that normal levels did. Levels of inflmamatory cytokines, interlukin 6 and TNF-alpha, correlated with low levels of vitamin D. The vitamin D receptor binds to DNA directly and activates a gene, MKP-1, which quiets the inflammatory response. It...