A recent study used tiny accelerometers to compare how infants' movement related with their body fat percentage.
Heart rate monitors didn't fare well in a recent test.
Researchers have developed an ingestible sensor that could be a first step toward more sophisticated monitoring of vital signs.
I tried a high end “smart bracelet” for its security features, which goes beyond activity tracking featured on most standard wearables.
Fitbit may be the most familiar, but companies like TomTom and Garmin also make fitness trackers worth your time.
I asked people on Twitter how high their heart rate was during the debate.
The FitBit monitor was 24 heartbeats over or 39 beats under most of the time.
How one machine listens to the sound we make when we chew different foods to analyze data and make us healthier humans.
The intense dedication to tracking your every move just isn’t sustainable.
An 8-year-old would need to walk about five hours to burn off a Happy Meal.
Sensaura wants to revolutionize video games, advertising, and more.