Humanity's conquest of the stars may never arrive by the jaunty strides of a Flash Gordon or Dan Dare. Alas, Earth's future finest will likely hobble out the pod bay door on feeble old-lady hips.
Spending extended time in microgravity has long been known to cause a loss in bone density. But a new study by researchers from Universities of California at Irvine and San Francisco suggests the deterioration may be worse than previously thought.
More: http://www.theregister.co.uk/2009/01/27/iss_astronauts_lose_alarming_hip_bone_strength/