Clinical perspective, offered as context rather than as advice. The version of this that has an answer is narrower than the version being asked. Narrow it and it becomes tractable; leave it broad and the thread will produce nine confident and incompatible replies.
Dr.NutriCornell said:The version of this that has an answer is narrower than the version being asked.
This is my experience too, for whatever a second data point is worth.
Dr.NutriCornell said:The version of this that has an answer is narrower than the version being asked.
Adding the part of the answer the thread has not reached. Start from the measurement rather than the conclusion. Almost every disagreement here turns out to be two people measuring different things and comparing the numbers anyway.
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Closing the loop on my own question.
For the archive: it took about six weeks rather than the two I expected, and the difference between those two numbers was the whole of my problem.