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 before cholesterol blood tests. A blood test can be used to measure cholesterol levels and other fatty lipids, but why do doctors ask you to fast before having a blood test? The fatty lipids: Cholesterol and triglycerides. Fatty substances in the blood are known as lipids, and cholesterol is one type of lipid.