Patients who have weak immune systems are vulnerable to getting shingles and the shingles vaccine is a live vaccine, he added. The study looked at patients with rheumatoid arthritis, psoriasis, psoriatic arthritis, ankylosing spondylitis (an inflammation of the spine), or inflammatory bowel disease.
Fasting Blood Glucose (Blood Sugar) Level. A value above 126 mg/dL on at least 2 occasions typically means a person has diabetes. The Oral Glucose Tolerance Test. An oral glucose tolerance test is one that can be performed in a doctor's office or a lab.
Diabetes (diabetes mellitus) is classed as a metabolism disorder. Metabolism refers to the way our bodies use digested food for energy and growth. Most of what we eat is broken down into glucose. Glucose is a form of sugar in the blood-it is the principal source of fuel for our bodies.