Q. I don’t have diabetes or pre-diabetes, do you know why my healthcare provider ordered a fasting insulin test?

You can consume nothing but water for at least 8 hours before a fasting glucose test. You may also need to follow a low carb diet and avoid exercise for some time before. A fasting glucose test ...

Blood sugar tests measure the amount of glucose in your blood and help detect prediabetes, diabetes, and blood sugar ...

DEAR MAYO CLINIC: I’ve never had my blood drawn before, but I have to go in for testing soon. Honestly, I’m pretty nervous about it. What can I expect? ANSWER: It can be a little nerve-wracking at ...

A person should only fast before a blood test if their doctor or healthcare professional specifically instructs them to do so. Not all blood tests require fasting. If a doctor or healthcare ...

Some common blood tests require you to fast beforehand to help make sure the test results are as accurate as possible. You can typically still drink water during this period, but is drinking tea ...

Blood sugar checks are essential for the diagnosis and treatment of every form of diabetes. “Glucose monitoring is critical for preventing short-term and long-term complications of diabetes,” says ...