Astronauts Struggle to Regain Decades’ Worth of Bone Density After Space Travel

Astronauts Struggle to Regain Decades’ Worth of Bone Density After Space Travel

ByNews Polite

Astronauts lose decades’ worth of bone mass in space that many do not recover even after a year back on Earth, researchers said on Thursday, warning that it could be a “big concern” for future missions to Mars. Previous research has shown astronauts lose between one to two percent of…