To prevent glucose levels from staying too high or for longer durations than the body can absorb after eating, it's important to get enough exercise and to be mindful of what you eat.

If you took biochemistry classes, chances are good you remember memorizing the Krebs cycle, a well-known metabolic pathway in which sugars are converted through a series of steps to generate ATP, a ...

Illustration shows a photo of a Dexcom G6 glucose monitor with an image of a glucose reading spike overlaid on top of it. Eric Harkleroad/KHN illustration; Hannah Norman/KHN; Screenshot of Levels ...

A fasting glucose under 100 mg/dL is considered healthy and normal. Between 100-125 mg/dL is consistent with prediabetes, and 126 mg/dL or above indicates diabetes.

C.G.M.s monitor levels of glucose — the body’s main source of energy — in real time. A tiny needle-like sensor sticks into the skin and reads glucose levels in the fluid between cells.

The US Food and Drug Administration issued a warning Wednesday about the risks of using smartwatches and smart rings that claim to measure blood glucose levels without piercing the skin.

The glucose monitor can be seen through Faulkner's jersey sleeve (Image credit: Getty Images Sport) In Faulkner's statement, she says: "No race data was ever transmitted during or after the race.