Sweat might soon become one of the easiest and most powerful ways to check on your health.
A recent study shows that combining sweat sensors with artificial intelligence (AI) could change the way we monitor our bodies every day.
The research, published in the Journal of Pharmaceutical Analysis, suggests that sweat may be used to track things like hormones, medication levels, and other health signals. It could even help spot diseases such as diabetes, cancer, Parkinson’s, and Alzheimer’s earlier than ever.
Dr. Dayanne Bordin, a scientist from the University of Technology Sydney (UTS), says that collecting sweat is simple, painless, and doesn’t involve needles. That makes it a great alternative to blood or urine tests, especially for checking health continuously in real time.
Interest in sweat-based wearables is growing. If you already use a device like a smartwatch to track your heart rate, steps, or sleep, you might be excited to know that sweat could add even more insights.
There are already some products on the market, like the Gatorade sweat patch, which is a small sticker you wear during exercise. It connects to a phone app to analyze how much you sweat and how much salt you lose, then gives personalized advice.
New technology has helped make sweat monitoring possible. With advances in small fluid channels, stretchy electronics, and wireless communication, it’s now possible to build thin, flexible sensors that stick to your skin and collect sweat while you move.
When these devices are paired with AI, they can look for patterns in your body’s chemistry. For example, they may detect specific molecules in your sweat and use that data to give you feedback about your health. This might help alert you to early signs of illness or help you make smarter choices about diet, fitness, or medication.
These sensors could be very helpful for athletes, who might want to track salt loss during intense workouts or show they are not using drugs before competitions. People with diabetes might one day use sweat to measure glucose instead of pricking their fingers.
Dr. Janice McCauley, another researcher from UTS, says sweat is often overlooked as a tool for health checks. But the ability to track several health markers at once and send the results to your phone or doctor is a huge step forward for preventive care.
AI is improving fast, and in 2023, it reached a new level. With better pattern recognition tools, computers can now read complex data from sweat and connect it to your health in more accurate ways.
The next big challenge is to build small, affordable, and energy-efficient devices that can send data securely. UTS researchers are already working on this. They are studying how sweat works in the body and building tools to detect very tiny amounts of substances like glucose (related to blood sugar) and cortisol (a stress hormone).
Although much of the research is still in the early stages, more companies are becoming interested. These new devices could become a normal part of our lives very soon.
According to Dr. Bordin, “We’re not far from a future where your wearable can tell you when your stress levels are high—and by watching those levels over time, help you avoid serious health problems.”
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