# Summary of the Article:
– Toxicological events in human spaceflight range from trivial to life-threatening due to exposure to chemical contaminants.
– Sources of toxic exposure include environmental system leaks, payload leaks, pyrolysis of materials, and microbial products.
– Ensuring safe and breathable air in space for crew health is crucial due to potential risks from various sources of contamination.
## Author’s Take:
Ensuring the safety and quality of air for crew members in space missions is a critical aspect that must be carefully monitored and managed to avoid potential toxicological risks. With various sources of contamination posing a threat, space agencies must continually improve their environmental systems and materials to prevent toxic exposure and protect the health of astronauts during human spaceflight.
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