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So our bodies might produce a low PH environment for 25 minutes in response to stress?

(I don't mean that to sound sarcastic but I couldn't seem to get the phrasing right)

From a short glance at the paper it seems that they don't know yet what the mechanism is that triggers the conversion. It might be that it is not triggered specifically by low pH, but by some downstream mechanism that can also be triggered by other kinds of stress.

Well they've discovered that many stresses can induce this response, including physical stress. So it's not just acidity.

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