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Tracking health is no sweat with new device

Wearable electronic analyzes chemicals in perspiration

health tracker

TECH MERGER  A new health tracker can analyze chemicals in sweat by combining flexible sensors with a traditional electronic circuit board.

W. Gao et al/ Nature 2016

By Meghan Rosen

- More than 2 years ago

Fitness trackers just got an upgrade.

A new electronic health-monitoring device can sense a person’s temperature, analyze chemicals in a drop of sweat, and send the data wirelessly to a smartphone app — all in a package about the size of a few postage stamps.