Earlier quoted context omitted.
> If your aim is for improved mental function, more energy, less health problems, etc., you don't need to know how to interpret any obscure tests. You'll know. Perception is different from reality, as exemplified by an Apple anecdote: http://www.asktog.com/TOI/toi06KeyboardVMouse1.html We’ve done a cool $50 million of R & D on the Apple Human Interface. We discovered, among other things, two pertinent facts: - Test s…
No doubt people can misjudge things. With health changes, I think it is often easier to see changes in the negative direction, like the author when he stopped the soylent trial. If the changes are great enough in magnitude to be obvious, then you know you're on to something. Also, measures like weight and computer mental agility tests can be quite reliable if you are consistent in your testing, and they aren't subjec…
This is exactly why we have science: people have prior beliefs that affect how they perceive the thing they're trying to measure. People cannot objectively judge their own health in response to a variable. There are thousands of placebo studies that demonstrate this.