Being aware of our health is very important for our peace of mind and disease prevention. Periodic visits to the doctor, whether we are sick or not, are a very convenient measure, as are blood tests which keep us updated of things we do not always feel but are indeed happening within our body.
One of the most useful lab tests is the metabolic panel of three essential elements in our body: urea, creatinine and glucose. Measurement of level of the first two is carried out mainly to monitor the functioning of kidneys. What is actually measured in a urea test is blood ureic nitrogen, which is the result of proteins decomposition, while creatinine is a byproduct of muscle work. If kidney function is not normal, levels of both substances rise in blood, because they are not being eliminated through urine.
Glucose is the most important type of sugar in our body. When we ingest food, glucose level rises and insulin is produced in pancreas. Insulin allows glucose to be absorbed by cells and to not stay on the blood torrent. Without insulin, sugar levels in blood are higher than normal. This is what is detected in a blood glucose test, either detection or control of diabetes.
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