Cooling devices help summer work outs

The Wall Street Journal recently looked at the dynamics of personal cooling devices available to the public. The goal is to bring body temperatures lower during workouts which may be affected by the high heat of the summer. Cooling devices usually contain ice packs, but it's important to not the size and the temperature of the cooling device. The size of a device makes a difference in its ability to cool, and if a cooling device is too cold, it can actually have the reverse effect of cooling. Read the full article here.