Facts that are common knowledge in various fields that outsiders have no clue about (18 GIFs)

Bob Sep 6, 2023

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Your calf muscles act as a pump for your lymph fluid, which is basically the garbage pick-up and immunity doordash of your body. Without flexing your calf, the fluid has no way of moving against gravity. Each time we walk, the muscles contract, squeezing the fluid back up towards the core for processing. That’s why sitting for long periods causes swelling in the legs.