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MerchantsOfMisery ,

Huberman is a clown. Strong Medicine (channel by an actual MD) made a good video where he politely calls out Huberman.

avidamoeba ,
@avidamoeba@lemmy.ca avatar

First time I hear about him and he sounds like one. The misinformation out of extrapolation and speculation type.

MostlyBlindGamer ,
@MostlyBlindGamer@rblind.com avatar

I was surprised by the lack of correlation between caffeine intake and sleep quality, but the takeaway, for me, is that if they were specifically looking into that, they’d need to control for other factors. And n=5 is pretty small.

Interesting stuff.

sping ,

Also, it will have been either a modest variation in caffeine intake, or else a variation in modest intake (e.g. adjusting intake say from 6->5, 2->1 or 1->0). These are people who’ve already stabilized their caffeine intake to not disrupt their lifestyle, and were just adjusting that sometimes to remove the first coffee of the day.

Hamartiogonic ,
@Hamartiogonic@sopuli.xyz avatar

And you would need to include exteme cases to make the effects visible. Having two cups a day might not be enough, and 4 might just approach the limit. People who drink like 10 cups a day should stand out in a study like this.

MostlyBlindGamer ,
@MostlyBlindGamer@rblind.com avatar

You could maybe work this out from a meta analysis of the studies about caffeine and focusing, where the control group is actually just in withdrawal.

MostlyBlindGamer ,
@MostlyBlindGamer@rblind.com avatar

Maybe? I was surprised to hear James saying he hadn’t had any caffeine on multiple days.

One coffee a day? Those are rookie numbers!

Joking aside, that could mean there’s already significant variance in their intake.

Hamartiogonic ,
@Hamartiogonic@sopuli.xyz avatar

That was a great video! James takes these things rather seriously when compared to other coffee people. For example, there are lots of people who say you should rinse the aeropress filter or stop pushing once you hear the hiss, but James said those things don’t matter, so why bother with extra steps like that. The same idea applies here. There are lots of strange but appealing ideas floating around, but many of them are not worth your time.

sping ,

He does seem to, where possible, taste blind and take serious efforts to exclude confounding factors.

If it weren’t for Hoffman doing this sort of thing with grinders I’d have been intensely skeptical that there was anything more than a placebo difference between a fairly decent grinder and a very good one. At least if his videos are to be believed (and I am inclined to), he consistently distinguishes grinders even at a fairly similar price point.

senkora ,

I wonder if his study was simply underpowered, and there may be a real but small effect.

An underpowered study is one that doesn’t get statistically significant results for a real effect because there is not enough data collected to distinguish between a small effect and random chance.

Woodstock OP ,

There is such a great message about scientific method and using critical thinking skills in the modern day.

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