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Radiation Effects

Radiation Effects

Astronaut Sunita Williams, Expedition 32, appears to touch the sun while working outside the ISS. Exposure to the sun's radiation is a major problem for those living and working in space.
Courtesy of NASA.

What are the radiation risks for space travel? Radiation exposures during space travel may kill cells, weaken the immune system, cause mutations and have other effects that can lead to cancer, cataracts, cardiovascular and central nervous system injuries and other disorders.

Current research projects cut across several program areas to determine 1) the risks associated with various types of radiation for the production of acute effects and the development of malignancies, and 2) whether it is possible to reduce these risks through pharmaceutical and nutritional interventions.

Learn about the latest research discoveries with Ann R. Kennedy, PhD, as she discusses the potential dangers and effects of radiation on space travelers, and ways in which the risks can be reduced.

Companion slide set to the video, "Radiation Effects,"

Author(s): Roberta Anding, MS, RD/LD, CDE
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Diet and Iron

Behaviors of Mixtures

What Is a Cell?

Human Skeletal System

Human Circulatory System

Human Immune System

Human Respiratory System

Example of an Infectious Disease - AIDS

What Organisms and Host Cells Do Viruses Infect?

The Reproductive Cycle of a Retrovirus—HIV

Estimating Number of Objects Per Unit Area

Doses of Radiation Received During a Solar Particle Event Can Cause Dramatic Decreases in Blood Cell Numbers

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Funded by the following grant(s)

National Space Biomedical Research Institute

National Space Biomedical Research Institute

This work was supported by National Space Biomedical Research Institute through NASA cooperative agreement NCC 9-58.