CES 2017: Photos of sleep gadgets and health tech innovations

Levl ketone monitor

Levl measures the amount of ketones in your breath to determine if you've reached your optimum fat-burning target.

Image: Teena Maddox/TechRepublic

By Teena Maddox

Teena Maddox is a former Associate Managing Editor at TechRepublic. She oversees TechRepublic's news team and TechRepublic Premium. She focuses on tech and business and how the two worlds intersect. Teena's lifelong journalism career has included wri...