<ul><li>A new wearable sweat sensor developed by researchers at the University of California, Berkeley, can track hydration levels and stress by analyzing sweat.</li><li>The sensor uses electrodermal activity (EDA) to monitor hydration, a measurement of how easily electricity passes through the skin.</li><li>The device has breathable, water-permeable electrodes that prevent sweat buildup, allowing for accurate readings and real-time updates.</li><li>The goal is to make health monitoring more accessible and personal, empowering people to make better choices about exercise, rest, and mental well-being.</li></ul>

This sweat sensor could track hydration and stress in real time

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