Reels tagged #health
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Human Body
Your stomach rebuilds its own lining every few days
Stomach acid is strong enough to dissolve metal, so the lining replaces its cells every 3–4 days to avoid digesting itself.
Biology
You carry roughly as many bacterial cells as human ones
Current estimates put the ratio near one to one — tens of trillions of microbes, mostly in your gut, helping digest food and train your immune system.