Glucose monitoring without piercing the skin is a prize companies like Apple and Samsung have been aiming for. Now, Samsung ...

A continuous glucose monitor, or CGM, is a system ... your blood sugar around the clock -- even while you sleep! Here's how. A thin, disposable needle called a sensor stays under your skin.

The Food and Drug Administration (FDA) is calling for stricter testing standards for pulse oximeters—devices commonly used to measure blood oxygen ... people with darker skin tones.