10. There is 0.2mg of gold inside us – We absorb small amounts of gold from our environment, but it serves no known purpose. Largely inert, it is non-toxic in small doses. Gold compound sodium aurothiomalate can, however, reduce inflammation in arthritis patients, although its mechanism of action isn’t fully understood. Researchers are currently investigating the use of nanoparticles equipped with antibodies which could latch on to cancer cells to help speed up diagnosis.
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