Summer Time is highlighted by warm nights, grilling and sweaty workouts. In fact, depending on where you live, sweating is pretty much just a fact in the summer no matter what you are doing. Your sweat glands are essentially appendages of your epidermis and the liquid that they expel to cool your body and discharge waste can tell us a lot about what is going on deep inside your body. Scientists from Penn State have just released the smallest Sweat detection device ever so I decided to do some digging into the science of sweat and how we can use it to make us healthier as athletes and humans.