can be from faulty amino acid metabolism.
They can be from H.pylori infection
Kids with ADHD put out methane in the breath.
Also chronic sinus infections give a nasty odor.
Is it worse sometimes than others?
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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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