Table 8-2. Medical Events Among Seven Astronauts on MIR, March 14, 1995 through June 12, 1998 Event Number of Events Musculoskeletal 7 Skin 6 Nasal Congestion, irritation 4 Bruise 2 Eyes 2 Gastrointestinal 2 Psychiatric 2 Hemorrhoids 1 Headaches 1 Sleep disorders 1 Note: Data from the Russian Space Agency indicate that there were 304 in-flight medical events on board the space station Mir from February 7, 1987 through February 28, 1998. The numbers of astronauts at risk or the incidence per 100 days was not reported.