I believe in people who are borderline low in B12...one snootful of Nitrous can have consequences. People with very good levels or high maybe not. The latter may react with repeated exposures.
This link discusses those people with the MTHFR mutation, faring poorly after nitrous.
Not good for children:
http://www.ncbi.nlm.nih.gov/pubmed/17683399
Alot depends on the medical status of the person receiving it.
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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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