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Autoimmune diseases, including fibromyalgia, lupus and rheumatoid arthritis, may be linked to zinc deficiency, and zinc has been demonstrated to affect pain in animal studies. People with fibromyalgia often have lower levels of zinc in the body, and it has been suggested that taking zinc supplements may help to relieve pain. Zinc lozenges have also gained popularity as a treatment for colds and flu.
(Source: Natural Treatments for Fibromyalgia: An A to Z Guide, by Kenna Simmons. An official publication of the Arthritis Foundation. To purchase, visit www.arthritis.org.)