Editing Copper (section)

===Folk medicine===
Copper is commonly used in jewelry, and according to some folklore, copper bracelets relieve [[arthritis]] symptoms.<ref>{{cite journal |pmid=961545 |date=1976 |last1=Walker |first1=W.R. |last2=Keats |first2=D.M. |title=An investigation of the therapeutic value of the 'copper bracelet'-dermal assimilation of copper in arthritic/rheumatoid conditions |volume=6 |issue=4 |pages=454–459 |journal=Agents and Actions}}</ref> In one trial for osteoarthritis and one trial for rheumatoid arthritis, no differences were found between copper bracelet and control (non-copper) bracelet.<ref>{{cite journal |vauthors=Richmond SJ, Gunadasa S, Bland M, Macpherson H |title=Copper bracelets and magnetic wrist straps for rheumatoid arthritis – analgesic and anti-inflammatory effects: a randomised double-blind placebo controlled crossover trial |journal=PLOS ONE |volume=8 |issue=9 |pages=e71529 |year=2013 |pmid=24066023 |pmc=3774818 |doi=10.1371/journal.pone.0071529 |bibcode=2013PLoSO...871529R |doi-access=free }}</ref><ref name="RichmondBrown2009">{{cite journal|last1=Richmond|first1=Stewart J.|last2=Brown|first2=Sally R.|last3=Campion|first3=Peter D.|last4=Porter|first4=Amanda J.L.|last5=Moffett|first5=Jennifer A. Klaber|last6=Jackson|first6=David A.|last7=Featherstone|first7=Valerie A.|last8=Taylor|first8=Andrew J.|title=Therapeutic effects of magnetic and copper bracelets in osteoarthritis: A randomised placebo-controlled crossover trial|journal=Complementary Therapies in Medicine|volume=17|issue=5–6|year=2009|pages=249–256|issn=0965-2299|doi=10.1016/j.ctim.2009.07.002|pmid=19942103|url=http://researchrepository.napier.ac.uk/id/eprint/9912}}</ref> No evidence shows that copper can be absorbed through the skin. If it were, it might lead to [[Copper toxicity|copper poisoning]].<ref>{{cite web |url=http://www.uams.edu/update/absolutenm/templates/medical.asp?articleid=3454|title=Find the Truth Behind Medical Myths|publisher=University of Arkansas for Medical Sciences|date=6 January 2014|archive-date=6 January 2014|
archiveurl=https://web.archive.org/web/20140106233901/http://www.uams.edu/update/absolutenm/templates/medical.asp?articleid=3454|quote=While it's never been proven that copper can be absorbed through the skin by wearing a bracelet, research has shown that excessive copper can result in poisoning, causing vomiting and, in severe cases, liver damage.}}</ref>