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.
julia.endo said:The honest answer is that the effect is real, the magnitude is contested, and the individual variation is larger than either.
Mine went the same way, slower. I had assumed I was the exception until I read this.
julia.endo said:The honest answer is that the effect is real, the magnitude is contested, and the individual variation is larger than either.
There is a second half to this that has not been said yet. It helps to say which part of this you are uncertain about. A precise question gets a precise answer; a general one gets everybody’s favourite anecdote.
Happy to go further on any of that.
Certified reference materials, analytical reagents, and research-grade standards for peptide verification. Trusted by laboratories worldwide.
Shop Reference StandardsFound this through search years later and it is still the best discussion of the question, so adding one thing. One practical note: write down what you did and when, before you need it. Reconstructing a timeline from memory three months later is how people end up unable to answer the one question that would have resolved it.
A narrower follow-up, since the general answer is now clear:
Was that from a primary source or from a summary of one?