Efficient blood sugar control plays a major role in preventing diabetes, a disease affecting millions around the world. Detecting problems early, though, has always been tough.

Continuous glucose monitors are only about the size of a quarter, but the companies that sell them make huge claims about their health benefits: You can “ revolutionize your health,” one company says.

But in March 2024, the Food and Drug Administration approved the first continuous glucose monitors for people without diabetes. Currently, two companies are making them: Dexcom and Abbott. Each patch ...

And watching a real-time readout of your blood glucose can become an obsession of sorts—not an entirely harmless one. “Something being a waste of time is a net harm,” Guess told me.

Continuous glucose monitors are only about the size of a quarter, but the companies that sell them make huge claims about their health benefits: You can " revolutionize your health," one company says.

A continuous glucose monitor is a small device that sticks to your arm. Every few minutes it sends a signal to your phone estimating your blood sugar levels. But can it improve your health?

After a meal some people experience high spikes in blood sugar followed by a crashing low. The dips can cause fatigue, moodiness and lead to overeating. Learning how to manage your blood sugar can ...

They lose visceral fat. DOUCLEFF: And she says when you wear the glucose monitor, you log what you eat. This helps people be more aware of how different foods impact their blood sugar. KENNEDY: ...