What are the uses of diabetic log books? Diabetic log books are charts used by diabetics to record each test that they perform. Diabetes is a disease where the body organ known as the pancreas manufactures little or none of the chemical known as insulin. The chemical Insulin is used to change the glucose (sugar) in the blood into useable fuel. The cells can take in the sugar after the insulin as edited it. But when there’s not enough insulin the glucose levels rise to dangerous levels. At high levels the body suffers damage…