Diabetic ulcers commonly result from high blood sugar damaging nerves, which takes away feeling from the toes or feet … Without the ability to feel pain, hits and bumps tend to go unnoticed and skin tissue breaks down, forming ulcers … A lot of sugar in the bloodstream, along with dried skin as a consequence of diabetes, further slow the ulcer healing process … Recently, Purdue researchers developed a shoe insole that could help make the healing process more portable for the 15% of Americans who develop ulcers as a result of diabetes … The researchers used lasers to shape silicone-based rubber into insoles, and then create reservoirs that release oxygen only at the part of the foot where the ulcer is located … read more