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judging by the article, he'll be selling perpetual motion devices and cancer cure in the next 3-6 months.

I mean, it's not that I doubt increases in IQ are possible. Let's be generous. Now what? To what extent can IQ change? Can I increase it without bound? To what extent are the changes permanent? To what extent are they reproducible? Can we train a person who might count as mentally disabled to score significantly higher on the test? If not, why not? Has the author tried? Does the author think nobody else has studied this? If the results aren't reproducible, then what are we to gain from this?

If you want to speak on scientific matters, you should probably do science.

the author only provides vague statements such as "it was a pleasant experience" or "slightly reduced exercise", and ends it with "read about this topic". so there's no question of reproducibility since there is no method to reproduce.

this is the equivalent of a scientist submitting a paper for publication with one sentence in Materials & Methods section: "we will let the readers infer the exact steps based on our conclusions"

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