The portable hydration monitor could help prevent heat stroke, scientists say

A new portable sensor could help people avoid the dangers of dehydration by alerting them when their bodies need more water.

Developed by researchers from the University of Texas, the non -invasive device continually measures real -time hydration levels and wirelessly transmits data to a smartphone, according to a SWNS report.

“Dehydration is a silent threat that affects millions of people every day,” said Professor Nanshu Lu of the University of Texas in Austin, who directed the study.

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“Our portable sensor provides a simple and effective way to monitor real -time hydration levels, training people to take proactive measures to stay healthy and perform at their best,” he added, according to SWNS.

The sensor uses a method called Bioimpedance, which sends a small and safe electric current through the body through strategically placed electrodes.

The flow of the current depends on how hydrated the tissues are: the hydrated tissue allows the current to pass easily, while the dehydrated tissue resists the flow, according to SWNS.

“The bioimpedance of the arm is not only sensitive to hydration changes, but also closely align with the hydration measurements of the whole body,” said the study co -author, Dr. Matija Jankovic, postdoctoral researcher in the laboratory of Professor Lu.

“Dehydration is a silent threat that affects millions of people every day.”

“This means that the sensor can be a reliable substitute to track hydration levels, even during daily activities such as walking, working or exercising,” Jankovic added.

To validate the device, the research team conducted multiple experiments, including a diuretic induced dehydration study and a real -life trial 24 hours.

Participants received medications to promote fluid loss. Their hydration levels were monitored through the laptop and compared with urine samples.

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The device showed a strong correlation between the changes in the bioimpedance of the arm and the total loss of body water, Swns reported. The findings were published in the minutes of the National Academy of Sciences.

The new sensor could offer an accessible and portable alternative to traditional hydration monitoring methods, such as urine or blood tests, which are invasive, which require a lot of time and not very practical, the researchers said.

It is known that hydration is essential to regulate body temperature, maintain organ function and support many other vital processes.

Even mild dehydration can affect concentration and performance, while severe dehydration can lead to serious health problems such as heat stroke, kidney stones and cardiovascular problems, according to experts.

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Beyond daily use, researchers believe that technology could benefit patients with chronic dehydration, kidney disease or heart conditions. Athletes could also use the laptop to stay safe and perform optimally, especially in warm climate.

While the current model tracks relative hydration changes, Professor Lu said the team aims to develop reference data for absolute hydration levels.

They are also exploring more advanced portable formats, such as breathable electronic tattoos or patches that absorb sweat, to improve comfort during long -term use.

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“This is just the beginning,” said Professor Lu, according to the SWNS report. “Our goal is to make simple hydration monitoring accessible to all.”