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Mars gravity could reshape the human body

Original: 🔭 Mars could reshape the human body. At 0.38 g, bones, muscles and circulation may adapt to a new normal, while deep-spa

Scientists and space enthusiasts are discussing how Mars's gravity, about 38% of Earth's, might permanently change human bones, muscles and circulation over a lifetime on the planet. Deep-space radiation adds further risks of DNA damage and cancer, and experts note it remains unknown whether Martian gravity is sufficient for long-term human health, keeping the question open as plans for crewed Mars missions advance.

Why now: Renewed interest in crewed Mars missions has put long-term human survival on the planet back in focus.

Mars

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• 🔭 Mars could reshape the human body. At 0.38 g, bones, muscles and circulation may adapt to a new normal, while deep-space radiation adds DNA and cancer risks. We still do not know whether Mars gravity is enough for lifelong health. https://www. nexthorizon.space/2025/04/how-… · nexthorizon · 20

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