what is bone loss
- Weakening of the bones due to the loss of bone mass
- Studies show that astronauts who spent
Weakening of the bones due to the progressive loss of bone mass is a potentially serious side-effect of extended spaceflight.
Studies of cosmonauts and astronauts who spent many months on space station Mir revealed that space travelers can lose (on average) 1 to 2 percent of bone mass each month