CESHealthcare&WellnessNewsTechnologyWT | Member CES 2019: Lumen Can Tell You if Your Body is Burning Fat or Carbs with a Single Breath By Cathy Russey - 17. January 2019 There are a large number of fitness trackers in the market, and many of them claim to deliver accurate health data based on a variety of biomarkers. Now, a new […] To access this page, watch the live stream and videos on-demand, you must purchase the Free Subscription, Premium Subscription or Premium Subscription (6 months, special rate).