Is there formaldehyde in beer?

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This question was recently submitted by a reader, and to tell you the truth I did not know much about the formaldehyde in beer issue.  My initial reaction was "of course there is not formaldehyde in beer", but as I dug deeper into the research I began to grow concerned.

Now when I hear "formaldehyde" I think of preserving corpses… not exactly getting me in the mood for a cold one.  So to start off I figured a definition of formaldehyde was in order: