| 1 | Do you have tricks for keeping the sweat and sunscreen out of your eyes? | |
| 2 | Humidity plays a large role, too, since it doesn't allow sweat to evaporate. | |
| 3 | Despite the cold weather, you'll still heat up and lose fluids through sweat. | |
| 4 | Blood usually carries heat away from active muscles to the surface of the skin, where sweating takes over. | |
| 5 | Sweating delays the onset of this critical heat buildup by dissipating the excess heat through evaporation. |