An adherent device configured to adhere to the skin of the elder and measure data with two or more sensors to measure patient data. The patient data can be transmitted with wireless communication circuitry, such that the patient can be monitored and subtle changes in physiology can be detected such that appropriate action may be taken. The patient data from two or more sensors can be combined to determine the status of the patient. For example, hydration data can be combined with activity data to determine a status of the elder person, and transmit a notification to friend to monitor compliance with medication and a notification to a physician to diagnose the mental health of the elder.
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