A 2014 study by the World Health Organization concluded that there are 400 million people around the world living with diabetes. One of the many complications of diabetes is the prevalence of foot ulcers, which if untreated can lead to amputations, and in many cases death. But a simple scanner being developed in Britain can give some important warning for doctors who want to prevent the ulcers from happening. VOA's Kevin Enochs reports.
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