Spacesickness and rickets
- From: chornedsnorkack@xxxxxxxxxxxx
- Date: 3 Mar 2007 06:15:16 -0800
Humans have put up with a fair number of chronic and sometimes
crippling conditions as the price of being able to exploit various
environments.
Scurvy on sea crossings - as well as during long winters. Acute and
chronic mountain sickness in high mountain areas. Goiter and cretinism
in inland areas short of iodine. Various endemic parasites, among the
most widespread being malaria.
What do you think would be the most unpleasant long term effects of
space travel?
One would be calcium loss from bones. Which is said to be a persistent
problem in cosmonauts who live in space from months.
How do bones affected by calcium loss without gravity fail? Do they
undergo brittle fracture, or plastic creep?
Another disease weakening bones is rickets from vitamin D shortage.
Which is accompanied by things like X-legs and O-legs - both can
occur. I have also heard that it has more deadly complications, like
pelvis deforming to be smaller.
How are growth zones of bones affected by lack of gravity? Which
permanent deformations can be expected if growing bones are out of
gravity for months?
.
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