system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why is humid heat so much more unbearable than dry heat?
gpt
The air can only hold so much water. The more full of humidity it is, the harder it is for your body to cool down by sweating. Think about how easy it is to dry off with a dry towel vs a damp towel vs a soaked towel.