ELI5: Explain Like I'm 5

Weather pains

Weather pains are when some people feel pain or stiffness in their joints when the weather changes. This happens because the climate affects the water inside of the tissue around our joints. When the temperature outside drops, the water in the tissue gets colder, and causes pain. The same thing can happen when the temperature increases. So when the weather is cold or hot, some people may feel pain in their joints.
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