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

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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Fantasy Fitness Tracker: 8 Absolutely Must-Have Features
A pile of fitness trackers
June 24th, 2014
What if we could take the best features of the most popular fitness trackers, and put them together, to make a "fantasy" tracker? Here are the top features we would include.
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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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Withings Wireless Blood Pressure Monitor Review
The Withings Wireless Blood Pressure Monitor
July 15th, 2014
The Withings Wireless Blood Pressure Monitor is a device for people who want to measure their blood pressure at home, and keep track of their readings over time.
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Fitness Trackers for Kids Hit the Market
June 19th, 2014
As fitness trackers like Fitbit and Jawbone Up gain popularity, it was only a matter of time before kids got their own version of the activity-tracking devices.
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New Samsung Fitness Tracker Paves Way for Wearable Health
The Samsung Simband
May 29th, 2014
Technology giant Samsung says it wants to bring the world closer to the era of using wearable technology for personalized medicine.
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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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Found! Hidden Ocean Locked Up Deep in Earth's Mantle
This photo from NASA's Suomi NPP satellite shows the Eastern Hemisphere of Earth in "Blue Marble" view.
June 12th, 2014
Parts of the Earth's lower mantle are melting, which can only happen due to the presence of lots of water. These oceans' worth of water are sealed into the blue mineral called ringwoodite, scientists have found.
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