The Undiscovered Country

Astronauts are multi-taskers, and among the training is medical training.

Being able to keep in touch with family on a regular basis helps crew morale.

This is the crew shirt of Canadian astronaut Dave Williams.

He took a Tragically Hip CD to space. NASA framed it with other mementos.

Some astronauts have a background in medicine. Such is the case with David Saint-Jacques, who was a family doctor in Canada before going to space.

Here is his flight suit.

One of the things that can happen in extended stays in orbit is that the eyes can be affected, and blurring can happen.

Bone loss also happens, with density depleting during a tour on the ISS. It takes time back on Earth to build that back up. Below we see an experiment that went into space examining osteoporosis. 

And being in microgravity leads to disorientation. We'll wrap up this tour tomorrow.