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Many diabetics check their blood sugar regularly at home. On the surface, this seems like a good idea since controlling your diabetes can prevent some of the worst complications of the disease — namely kidney failure, vision loss and even foot infections leading to amputations. But many diabetics may be checking their blood sugar unnecessarily and wasting a fair amount of money in the process.

Op-ed by Christopher Labos, Montreal doctor and associate with the º«¹úÂãÎè Office for Science and Society.