By Rachael King

High-tech devices for healthier living

There are a variety of wearable fitness trackers, scales, sleep monitors, and other health-monitoring gadgets available. Businessweek.com asked corporate wellness experts and active employees to name some of their favorites. The following products use sensors that measure users' weight, physical activity, caloric intake, and sleep. Many are wearable and connect to a PC to create a Web record of the information they record. Read on to see which might be right for you.