Smart watches can warn of early signs of coronavirus

Since these devices are excellent tools for monitoring your overall health,

researchers began to explore ways to usethem to detect diseases. For example, scientists analyzed data from Fitbit devices to identify people who may have flu-like illness. They took heart rate at rest and daily activity as a basis. An increased resting heart rate may be associated with an infection.

The watch can also measure sweat levels, whichis one of the indicators of increased body temperature. One of the researchers' approaches is to create sensors that detect the composition of sweat. These compounds can provide a wealth of data on human health. The pH, sodium ions, glucose and alcohol content are just a few of the things that can be detected by the new sweat sensors.

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However, scientists note that now "smart" watches andbracelets can only detect indirect signs that indicate coronavirus or other diseases. For several years, the disadvantage of many existing wear-resistant sensors will be that they will not be able to detect the presence of a virus like SARS-CoV-2. To do this, they need to learn to identify virus-specific RNA.

Researchers are confident that such technology willavailable in the future. RNA detection usually involves several steps, including extracting RNA from a sample, making multiple copies of the RNA, and identifying the RNA. Although engineers have made progress lately in making devices for this process miniaturized, they are still too big to be used in smartwatches.

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