Eli5: Aches and pains

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Why do people have worse aches and pains in their joints during cold or rainy/stormy weather, especially in areas where you have broken a bone in the past?

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Anonymous 0 Comments

When it’s cold, there’s a lower air pressure. This means your body sort of puffs up a little, like a marshmallow in a vacuum chamber.

The thing is, not all tissue stretches equally. Your bones might get pulled slightly further apart, but they themselves don’t really expand. This means the ligaments and tendons that go between the bones get stretched out. Same goes for scars, like people with war wounds: the scar doesn’t expand much, which means the neighbouring tissue gets extra stretched and becomes achy.

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