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Questions regarding medical aspects of space exploration, like effects of missions on human body during launch, flight and reentry.

2 votes
1 answer
170 views

Has an astronaut had a blood sample taken while in space?

Has any astronaut had a sample of their blood taken while in space? This may be as part of a scientific experiment, or for their own health. If yes, was the sample analyzed while in space, or was it …
DrSheldon's user avatar
  • 48.4k
8 votes
1 answer
301 views

Was this Gemini "giant eye chart" ever performed?

This article from the May 14, 1965 issue of the Manned Spacecraft Center Roundup describes an "eye chart" experiment on an upcoming Gemini flight. Did this experiment end up happening in any manner? …
DrSheldon's user avatar
  • 48.4k
8 votes
2 answers
858 views

How do astronauts get eye drops into their eyes?

This answer mentions that some astronauts use eye drops to relieve irritation caused by dust and lint in the air. How do they do get the drops in their eyes in microgravity? When I put drops in my e …
DrSheldon's user avatar
  • 48.4k
3 votes
1 answer
2k views

Did astronaut candidates have a lung capacity test, as portrayed in the movie The Right Stuff?

One memorable scene in the movie The Right Stuff portrays a lung capacity test. The astronaut candidates blow into a tube with water and a ping-pong ball. They must blow just hard enough to keep the …
DrSheldon's user avatar
  • 48.4k