Wearable patch works with an app to tell if you are hydrated

Not taking enough fluids and becoming dehydrated can cause physical problems and ailments in people from all walks of life. PepsiCo is rolling out a new product this week called the Gx Sweat Patch. It comes from a startup called Epicore Biosystems that’s working with PepsiCo subsidiary Gatorade. The wearable patch measures the rate of perspiration and sodium chloride concentration …