ASTRONAUGHTY

Space travel can weaken astronauts’ bones and muscles. Zero gravity, zero excuses—exercise is mandatory.

✓ TRUE FACT
Without gravity loading, bones can lose density at around ~1–2% per month and muscles atrophy without exercise. That’s why ISS crews follow strict daily training and nutrition protocols.

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Space travel can weaken astronauts’ bones and muscles. Zero gravity, zero excuses—exercise is mandatory. | SmartAss Facts