Doctor John Campbell

[Oh_hunnihunni]

I often discuss my physical activity with my GP, and I have indeed received dietary advice on occasion - it looks like that rabbit hole is getting bigger.

Not necessarily. We have no idea whether you are a bloated blimp or conversely have a stick figure build which in either case would make dietary advice blatantly relevant. You may also be consulting an integrative health focussed GP which would also explain your experiences.

Oh c'mon. 

Any adult with half a brain knows that if you ask questions of your GP you will get advice, on most subjects. Trouble is far too many people fail to ask questions. And even more expect their GPs to be cure everything  mind readers with the magical ability to extend their ten minute allocated consultation time into considerably more...

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You are missing my point.  Not all of us start out looking for information with an "outlook" i.e . a set of prejudices.    I set out to find out what I could without relying on institutionalised/accepted beliefs, I ended up with a set of protocols that improved my life.  I think that's what attracts people to the likes of Campbell, but what I am saying is that he may once have been simply an explorer of information, but he now seems to have been overtaken by blind contrarianism to the point that he can no longer be taken seriously.

Your situation in getting your dietary inputs on line are all too familiar as I also have significant food and other environmental intolerances. Luckily my partner is a qualified holistic nutritionist so I have access to instant dietary recommendations.

The issues you have had in finding reputable dietary advice is far from isolated to the health sector. I've struck the same in Organic horticulture and alternative energy generation systems. In both cases I embarked on self education in order to ensure whatever advice and service providers I enlisted was reliable and economically robust.

For health issues this isn't quite as easy so we often resort to web based info sources which generates a whole new level of confusion. I'm equally comfortable with science based or 'traditional' treatment methodologies and when I lose direction I have a sister with degrees in her profession alongside her 40+ years of hospital experience. Her confirmation of much of Dr Campbell's content is proof enough for me of his accuracy.

A recent experience for me with cancer treatment was also a useful experience in being on the receiving end of the pharmaceutical side of the health sector. Prognosis is positive so far but if my condition heads south I'm preparing for how I will deal with it and what health professionals will be on my team.

You fail to mention that dietary recommendations are inclined to be confused with fashion fads, as well as based on research that when reexamined turns out to be less than reliable.
For instance, remember the eggs are bad for your heart advice - subsequently debunked. The blood group diet?  Vegan trend? The sugar free thing that fails to mention the chemical substitutes?

The best dietary advice remains the simplest. Eat less, move more. Haven't met a doc yet who argues against that...