 And though those are symptoms for certain diseases, a lot of people, independent of that, who are otherwise healthy, they may feel nauseous. They may get headaches. Their skin may get really warm, red, may start having a lot of sweat or even no sweat. There are common symptoms of your body getting overheated. And those are important because that's when you need to take a step back and saying, if possible, and one of the things we clearly recognize is that not everyone can get themselves to safety with heat.