Results for in-flight illness rates can be found in publications such as The Journal of Emergency Medicine, the Annals of Emergency Medicine, and the Journal of Aviation, Space, and Environmental Medicine.[1][2][3] Information on these rates can also be obtained from NASA's cfm Longitudinal Study of Astronaut Health database at the Lyndon B. Johnson Space Center. This study lists a few of the conditions that could occur and their probabilities of occurrence.[4]