A Biologist Explains Why Humans Get Varicose Veins (Hint: No 4-Legged Animal Has This Problem)
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Varicose veins are a largely human problem. Here’s how walking upright, gravity and your genes stretch leg veins — and what giraffes do differently.
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https://www.forbes.com/sites/scotttravers/2026/10/30/a-biologist-explains-why-humans-get-varicose-veins--hint-no-4-legged-animal-has-this-problem/
