HUMAN STEM CELLS GROW DIFFERENTLY IN SPACE
Proteins in human stem cells grown in microgravity don’t appear in stem cells grown in normal gravity. This has implications for long-term human voyages in space. It also has potential for helping solve ground-based medical problems. Other well-known impacts of microgravity on the human body include muscle loss and changes in the cardiovascular and immune system. astronauts lose about 1 percent of their bone mineral density every month they are in space. In addition to a vigorous daily exercise in orbit, astronauts are participating in a study to see if taking bone-building drugs known as bisphosphonates can stave off the deterioration.
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