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A popular myth has grown around the use of WD-40 as a joint lubricant and pain reliever for arthritis. The liquid is sprayed on the painful joint much as one would fix a squeaky mechanical hinge.
Asked by MailOnline to comment on the claims, a spokesman for WD-40 said: 'This is one of the myths we regularly deal with. 'The WD-40 Company does not recommend the use of WD-40 Multi-Use Product for medical purposes, and knows no reason why it would be effective for arthritis pain relief.