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

Mobile Health Tech Looks Promising, But Does It Work?
A woman checks her smartphone during a workout.
August 13th, 2015
Smartphone apps and wearable devices have the potential to help Americans improve their heart health. But right now, there's not enough evidence to evaluate whether all this technology actually helps people get healthier.
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Is the Apple Watch a Good Health and Fitness Tracker?
An image of the Apple Watch's activity app
June 12th, 2015
A prominent feature of the Apple Watch is its health and fitness tracking, which monitors your movement throughout the day and reminds you to boost your activity. But is the device worth buying for its health features alone?
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This Device Records Your Snores to Track Your Sleep
A young woman sleeping.
March 27th, 2015
A system that records the sounds of every breath and snore you utter while sleeping may offer an alternative to clinical sleep-tracking technology, new research suggests.
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Bendy Liquid Metal Coils Could Make Stretchable Loudspeakers
Stretchable Acoustic Device
July 16th, 2015
Coils of liquid metal could be used to make stretchable loudspeakers and microphones, potentially leading to new kinds of hearing aids, heart monitors, and wearable and implantable devices, researchers say.
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Are Health Apps Harmful or Helpful? Experts Debate
A man runs with his phone strapped to his arm.
April 14th, 2015
Health apps are everywhere, but do they do more harm than good? Doctors are debating whether such self-monitoring mobile technology is useless — or even dangerous.
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Are Wearable Drones Buzzing on the Horizon?
March 18th, 2015
Future wearables may be tiny drones that protect users from pollution, play games, act as scouts and fly long distances on drone superhighways.
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Best Calorie Counter App
A person uses their smartphone while grocery shopping.
February 18th, 2015
Using an app to count calories can make the process easier for people who want to lose weight, or maintain weight loss, but it helps if the app is easy to use and intuitively designed. Here are our picks for the best calorie counting apps.
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Fitbit May Help Boost Activity in Older Women
two women running
June 23rd, 2015
Fitness trackers have gained popularity in recent years, but it's not clear whether all this tracking is actually helping people become healthier. Now, a small new study suggests the devices can help people become more active.
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Mio Fuse: Fitness Tracker Review
The Mio Fuse
March 30th, 2015
The Mio Fuse is a new fitness tracker and training device from Mio Global, a company known for wrist-worn heart-rate monitors.
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In Images: Wearable Drone Concepts
parasol wearable drone
March 18th, 2015
Future wearables may be tiny drones that protect users from pollution, play games, act as scouts and fly long distances on drone superhighways.
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