This invention describes a wearable device that collects a sample of body fluid, such as sweat. It then uses an electrical sensor to apply a signal to the fluid and measure its response. This process, combined with information about the user's body, helps determine things like hydration levels or electrolyte loss by analyzing the fluid's properties and flow rate.
Why it matters: Filed before significant advancements in AI and machine learning. These tools can now more effectively process complex physiological data and sensor inputs to accurately determine personalized wellness parameters as described in claim 23.
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