Mitochondrial Changes Key to Health Problems in Space

Astronaut Scott Kelly is working with the Microgravity Sciences Glovebox during a Rodent Research session with Bone Densitometer. (Credit: NASA)

by Frank Tavares
NASA’s Ames Research Center

MOFFETT FIELD, Calif. — Living in space isn’t easy. There are notable impacts on the biology of living things in the harsh environment of space. A team of scientists has now identified a possible underlying driver of these impacts: the powerhouse of the cell, called mitochondria, experiences changes in activity during spaceflight.

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