From the other side of the consultation, briefly. The honest answer is that the effect is real, the magnitude is contested, and the individual variation is larger than either. Those three things can all be true at once, and most arguments here are two people holding different parts of that.
DoseLogDan said:One habit that pays for itself: post the method alongside the number.
Saving this. It is the first explanation that did not require me to already understand it. Adding it to my notes with a link back to this thread.
Clinical perspective, offered as context rather than as advice. It helps to ask what evidence would change your mind before you look at any. If nothing would, the discussion is not about evidence, and it is better to say so early than to spend nine posts discovering it.
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Browse GL BiochemModerator note: the sourcing question belongs in the vendor section and has been split out. Carry on.