RAF394: Aging Reversed! Part 7 - Cold and Heat Exposure

There is a range of temperatures where we're comfortable. Our bodies don't have to do any work to stay warm or cool off. When we're exposed to temperatures outside of that range, our heart rate changes, our breathing changes. We need more or less blood flow to the skin. These are the things we have to do to survive.

Read the full post at http://RunningAFEVER.com/394