U-100: See unit of insulin.
Ulcer: A break in the skin; a deep sore. People with diabetes may develop ulcers from minor scrapes on the feet or legs, from cuts that heal slowly, or from the rubbing of shoes that don't fit well. Ulcers can become infected and should be treated promptly.
Ultralente insulin: A type of insulin that is long acting, usually the action of this type of insulin works for 25-36 hours after injection. This type of insulin has an onset of action four to five hours after injecting and works most powerfully at eight to 14 hours after injection.
Unit of insulin: The basic measure of insulin. U-100 is the most common concentration of insulin. U-100 means that there are 100 units of insulin per milliliter (ml) of liquid. For the occasional patient that has severe insulin resistance insulin is available as a U-500 form.
Unstable diabetes: See brittle diabetes.
Urine testing: Checking urine to see if it contains ketones. If you have type 1 diabetes, are pregnant and have diabetes, or have gestational diabetes, your doctor may ask you to check your urine for ketones. This is an easy test done at home with a dipstick measure.
Urologist: A doctor who specializes in treatment of the urinary tract for men and women, as well as treatment of the genital organs for males.
Extreme exercise programs like P90X, CrossFit, and Insanity will without a doubt kick you into the best shape of your life in a very short amount of time—but only if you stick with their crazy-for-most routines.
Scientists in the United States say shift workers getting too little sleep at the wrong time of the day could be increasing their risk of diabetes.
They have found that changes to normal sleep means the body is unable to control sugar levels.