Scientists have developed a new wearable sensor that can detect lactate levels in your sweat and help predict problematic conditions such as muscle fatigue, stress and dehydration when you exercise.

Like a lot of outdoorsy people, I’ve spent years trying to perfect my body temperature on sweaty adventures when the temperatures are low. It’s easy to think that when it’s cold out, you want an ...

Using sweat to track changes in the body is not a new concept. While there have been many developments in recent years to sense changes in the concentrations of the components of sweat, no purely ...