The Quantified Self

The "quantified self" movement aims to measure all aspects of our daily lives with the help of technology. Wearable devices such as activity trackers, along with apps that let us log our every step, snack and snooze could bring us a better understanding of ourselves, our nature, and may even benefit our health. LiveScience brings you our latest coverage of this movement, and what it means for the human body, the human psyche and human culture.
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Latest Articles

Adidas Fit Smart: Fitness Tracker Review
October 22nd, 2014
The Fit Smart is a new fitness tracker from Adidas that's intended for people who want to improve their workouts, whether that be running or fitness training for sports.
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Why the Apple Watch Doesn't Mean 'Death' for Fitness Trackers
A pile of fitness trackers
September 10th, 2014
The Apple Watch enters fitness-tracker territory by offering ways to monitor daily exercise and heart rate, but the device doesn't necessarily mean the end of trackers like Fitbit.
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Fitbit Won't Hold a Charge: Here's What to Do
fitbit flex, fitness-tracking device
August 8th, 2014
Some Fitbit Flex users have experienced problems with their device holding a charge after a few months of use. Here's what to do if that happens.
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Apple Health App: What It Can and Can't Do
An image of the new Apple Health app.
October 3rd, 2014
Apple's new Health app is now up and running on the latest version of iOS8, but what exactly can this app do for you?
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Smart Health: Apple Watch Wants to Get You Moving
The Apple Watch
September 9th, 2014
Apple's new smartwatch, Apple Watch, aims to get people to move more by tracking their daily exercise as well as sitting time, according to an announcement from the company today (Sept. 9).
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Withings Smart Body Analyzer Review
The Withings Smart Body Analyzer
July 31st, 2014
The Withings Smart Body Analyzer is a smart scale that not only measures weight, but also calculates your body mass index (BMI) and fat mass, and registers heart rate and indoor air quality.
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Fitness Tracker Fashion: Fitbit Announces New Accessories
A new collection of Fibit accessories includes a brass bracelet with an open fretwork design.
July 15th, 2014
The fitness tracker company Fitbit announced today the launch of a new collection of Fibit accessories, from luxury fashion brand Tory Burch.
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New Basis Peak Is Part Fitness Tracker, Part Smartwatch
The Basis Peak
September 30th, 2014
A new version of the Basis fitness tracker called Peak — which features a new design, improved heart rate monitoring and some smartwatch capabilities — will be released in early November.
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South Napa Earthquake Woke Up Many, Fitness Trackers Reveal
a diagram of the percentage of people awakened by the earthquake.
August 25th, 2014
Data from people who wear fitness tracker Jawbone UP shows how everyone's sleep was affected through the South Napa Earthquake.
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Should You Trust Health Apps on Your Phone?
A woman shopping for medicine consults her smartphone.
July 25th, 2014
Only a small fraction of the smartphone health apps that are out there have been reviewed by FDA.
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