Shining near-infrared light on a person’s skin helped scientists accurately track his blood glucose levels, offering a ...

Most people with diabetes should test their blood sugar (or blood glucose) levels regularly. Knowing the results lets you adjust your strategy for keeping the disease in check. Research shows that in ...

Type 2 diabetes is diagnosed by testing your blood glucose (sugar) levels. These tests, such as the fasting plasma glucose test and the A1C blood test, are usually done in a healthcare provider's ...

The glucose tolerance test screens for gestational diabetes during pregnancy. Typically, your doctor or medical professional will ask you to have a glucose screening test first. Depending on the ...

How often should you test your glucose and A1C? How do food, sleep and exercise affect blood sugar? Here’s what to know. Credit...Illustration by Andrei Cojocaru; Photos by Getty Supported by By Nina ...

Using a device that shines near-infrared light on the skin to reveal the chemical composition of the tissue, a team of ...

Normal blood sugar levels are about 70-100 mg/dL. Your blood sugar will naturally fluctuate a bit throughout the day in response to food and other factors. However, it ideally stays within a set range ...

Measuring Blood Sugar What Is Normal Blood Sugar Understanding Prediabetes Should You Target Normal Blood Sugar if You Have Diabetes? Healthy Ways to Lower Blood Sugar There's a lot of interest in ...

Brad Reisfeld is a professor of chemical and biological engineering, biomedical engineering, and public health at Colorado State University. Your blood serves numerous roles to maintain your health.

Blood draws for several kinds of diagnostic tests require you to fast for several hours. Eating or drinking anything besides water can skew the results, leading to you needing to be retested. You may ...

Not all blood tests require you to fast, but you should always follow your doctor’s instructions if you do need to fast for a specific exam. Blood tests are common procedures that healthcare providers ...