Cold Germs News Today

Worker who works for at least five hours during the hottest part of the day. >> so, this is giving us sheilas heart rate, which you can see is in the 120s, which is really consistent with exercise. >> reporter: another test you can do -- >> you can pinch the skin here. youre pretty well hydrated. we call it pincing. >> reporter: if the skin doesnt snap back, you could be dehydrated. dr. ashton tells me if youre going to be outside for the whole week in this real high heat and outdoors all day, i...