Youâll have to do some sleuthing to figure out whatâs prompting your perspiration. Night sweats arenât rare: In one study published in Annals of Family Medicine, about a third of primary care patients reported night sweats during the past month.
Cholesterol tests also measure total cholesterol and triglycerides, a type of fat found in the blood. People are typically told to have no food or liquids other than water for nine to 12 hours before the exam. Routine check-ups provide no health benefits, study finds.
Fasting. If you are required to fast prior to your blood test, your doctor's office will provide you with specific instructions. Most cholesterol and triglyceride blood tests require that you fast for 12 hours prior to your test.If you are having your glucose levels or vitamin levels checked, you will need to fast for at least eight hours prior to your test.asting is also not likely required for a blood test that determines your blood counts -- such as a complete blood count, or CBC. The number of blood cells in your body stays the same regardless of whether or not you eat anything.