Longer periods of extreme heat has been found to accelerate biological age in older adults by up to two years, according to new research.

First, there's radiation, which is simply the heat our body emits into the surrounding air. Imagine standing in a cold room; your body is like a radiator, constantly giving off warmth. Conduction ...

It is possible to reduce body heat both externally and internally. Jumping into a cool pool is an example of external cooling, while drinking cold water can help reduce body temperature internally.