Placing sample in MELFI freezer (credit: ESA/NASA)

Placing sample in MELFI freezer (credit: ESA/NASA)

New results from research on the International Space Station are offering clues on why astronauts’ immune systems don’t work as well in space. The findings may benefit the elderly on Earth.

Astronauts suffer many types of stress adapting to weightlessness. For years, scientists have known that our immune system works less well in space, and trying to find the reason is a driving force for space research.

Researchers at the University of Teramo, the European Centre for Brain Research and the Santa Lucia Foundation have discovered that a particular enzyme, called 5-LOX, becomes more active in weightlessness.

Read more in the ESA Portal article: Keeping immune cells alive and kicking