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Dr.LeslieOBGYN said:

There is a difference between no evidence and evidence of no effect, and this subject is one where the two get swapped freely in both directions.

There is a second half to this that has not been said yet. The distinction that resolves most of these threads is between what is true on average and what is true for one person. Both are real; they answer different questions and get quoted as if they were the same one.

One concrete data point for the thread. Keep the original post as written when you update it, and add the correction underneath. An edited-away mistake is invisible to the next person who makes it.

Following on from Dr.LeslieOBGYN — and this may be the naive question:

How long did you give it before you decided it was working?

dave_SLC said:

Keep the original post as written when you update it, and add the correction underneath.

This is where I part company with the consensus forming above. Not convinced. The evidence being cited is consistent with the conclusion and also consistent with two other conclusions nobody has ruled out.

dave_SLC said:

Keep the original post as written when you update it, and add the correction underneath.

No disagreement, though it depends on where somebody is starting from, and this thread has been assuming a starting point nobody stated.