Nitrous oxide used to be used in labor and delivery.
It is also used in dental offices. And now is common in raves attended by young people. They fill balloons with it, and sell them to inhale from.
http://www.ncbi.nlm.nih.gov/pubmed/21739392
http://www.ncbi.nlm.nih.gov/pubmed/19169627
occupational hazard:
http://www.ncbi.nlm.nih.gov/pubmed/18763150
http://www.ncbi.nlm.nih.gov/pubmed/17951609
If a person is marginal in B12 level, one exposure may precipitate low B12 symptoms. Otherwise it is more chronic exposures that are harmful in people with normally higher levels.
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All truths are easy to understand once they are discovered; the point is to discover them.-- Galileo Galilei
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Weezie looking at petunias 8.25.2017
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