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 is a disease in which the body doesn't make insulin or enough insulin. Insulin is necessary for sugar to be transported across the cell membrane into the cells. Sugar is used by the cells to make energy for life. Think of insulin as a transport truck that delivers sugar into the cells. No truck, no sugar. No sugar, no energy. No energy, no life.