A new generation of smart ring technology is said to be able to track biomarkers in sweat, taking wearable health monitoring beyond activity, sleep and heart rate data.
The smart ring apparently has little sensors that are attached to the inside surface of the ring.
A smart ring might keep tabs on trends and notify you when measurements suggest a higher risk of dehydration.
Sweat measurements, however, do not always correspond directly to blood measurements and the data must be interpreted with caution.
In order to be a useful smart ring, it has to be able to run for long periods of time, without being uncomfortable.
A new generation of smart ring technology is said to be able to track biomarkers in sweat, taking wearable health monitoring beyond activity, sleep and heart rate data. The ring has sensors that are a tiny device that may help wearers track hydration, stress, physical exertion and other changes in the body.
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The smart ring sweat biomarker monitoring system reported may offer deeper insights into health without the need for blood samples or bulky medical equipment. But the accuracy, reliability and regulatory status of these tools will be critical before they are used to inform medical decisions.”
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Sweat is a Key to Health
Sweat contains trace chemicals that can reveal how your body is responding to exercise, heat, stress and illness.
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“Researchers can look at electrolytes like sodium, potassium, lactate, glucose and other molecules.” Biomarkers are indicators of hydration, muscle fatigue, and metabolic activity.
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Such information could, in principle, be collected continuously by a wearable sensor, rather than by occasional lab tests.
The ring has little sensors in it.
The smart ring apparently has little sensors that are attached to the inside surface of the ring.
The sensors are just under the skin and can collect sweat, and measure some chemicals. Electronic components convert the readings into digital data that can be sent to a smartphone app.
The system has to differentiate real changes in biomarkers and interference of temperature, movement, skin products and different rate of sweating.
One key feature can be hydration monitoring
One potential application would be to help users know when they might need extra fluids or electrolytes.
Athletes, outdoor workers and those exercising in hot weather can sweat away a lot of water and salt. A smart ring might keep tabs on trends and notify you when measurements suggest a higher risk of dehydration.
The device is not a substitute for normal hydration procedures or for professional medical advice, particularly if you begin to experience symptoms such as dizziness or confusion.
Monitoring lactate helps with training
Lactate can build up with exercise .
Changes in sweat lactate can provide athletes with more information about exercise intensity, recovery and fatigue. This information could be used by coaches to better tailor training sessions and reduce the risk of overexertion.
Sweat measurements, however, do not always correspond directly to blood measurements and the data must be interpreted with caution.
Possible metabolic and stress features
It could also be used to track metabolism or stress biomarkers in future versions.
Researchers are exploring how to test sweat for cortisol, glucose and other substances. Reliable measurements let users see long-term patterns in workload, sleep, diet and recovery.
These features are technically challenging. Some biomarkers are found at very low concentrations and can be affected by a multitude of external factors.
Still, battery life and comfort count.
In order to be a useful smart ring, it has to be able to run for long periods of time, without being uncomfortable.
They add to the power requirements and make the device harder to clean. Manufacturers say they will have to balance battery life with sensor accuracy, water resistance and the size of the ring.
Materials must be safe for wearing during exercise and also for longer term daily use in contact with skin.
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