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Top 10 wearable tech gadgets to watch in 2015

A Quell wearable device works with an app to customize pain management.

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Rather than focusing on tracking your daily activities or acting as a digital assistant, Quell is a wearable meant to help people who suffer from chronic pain conditions. It's a drug-free device that stimulates nerves below the knee, tricking the brain into releasing chemicals that relieve that pain. This is a consumer version of an existing prescription device (by the same company) that's FDA-approved to be worn at night, one of the few pain-relief wearables that can make that claim.

Source: NeuroMetrix