Viewing profile — Yvain

Here's a discussion of this in the New York Times - https://www.nytimes.com/2004/11/30/health/bacteria-enlisted-... "Dr. Hillman has been working on this therapy for 25 years and f…

I looked into this and it isn't true - countries which switch to opt-out don't get significantly more than we do. I agree this is surprising. The best explanation I was able to fin…

I'm the author of the article. This was added by Substack without my knowledge (it doesn't show up to me since I'm already subscribed) and I think I've disabled it now. Please chec…

If you look at the link in the piece, you'll notice it isn't an affiliate link. If it were an affiliate link, it would have a linkcode section, or more likely just use the amzn.to …

"If that's the case though, I wonder why my friends and family back in the states keep complaining to me about the empty shelves, Amazon Prime delays, etc. Shouldn't fixing the sym…

I'm the author. Guilty as charged of not being an engineer. But did you see the paper I cited for this, https://sci-hub.st/https://www.sciencedirect.com/science/art... ? I also thi…

I agree with this, but the reason I'm focusing on intellectual curiosity was that of all the traits measured in the survey, it was the one that did show a significant effect of fir…

5,523 before December 25, when I posted the pre-registrations. 2,254 after. Of the before-posting people, 2199 had exactly one sibling, and 71.1% of those were the older. Of the af…

That post starts with "Please don’t read on until you’ve taken it, since this could bias your results." But I checked the data I received before and after I posted that, and the bi…

I don't remember mentioning that prominently before the survey. Can you link me to the relevant quote?

I think another important consideration might be that peak plasma concentrations on Vyvanse would be lower than on Adderall (because it's more spread out over time). Some effects o…

The reason doctors don't like prescribing it is because it's not FDA-approved for ADHD. It's not FDA-approved for ADHD because of bureaucratic/economic reasons, AFAIK.

"The dose I take would make a non-ADHD person into an obsessive hyper-focused teeth-grinding mess, but it basically just makes me normal. Adderall is real medicine which cures a re…

1. Are you finding "approximately 5th percentile in the population" somewhere in the DSM, or did you make it up? 2. This is no longer considered true; see any of the recent researc…

What kind of response bias are you expecting here and how would you fix it? I mean, obviously there is a bias in favor of people who use more nootropics and find nootropics more ef…