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eegilbert commented on Trouble with Erythritol   science.org/content/blog-... · Posted by u/Metacelsus
beders · 3 years ago
From Schwarzenegger's daily email:

> Artificial Sweeteners and Heart Attacks: fact or fiction?

The nutrition world was set on fire last week when it was reported that erythritol — a popular sweetener used in protein bars and shakes — was linked to stroke and heart attack. There was just one little problem.

The study didn’t even test erythritol consumption, so the conclusion made by many in the media (that erythritol causes heart attacks) was very misleading (at best) and a dramatic false alarm (at worst).

Here's what you need to know: the researchers examined erythritol levels in the blood. Unlike other substances that only show up in your body if you eat it in your diet, erythritol is naturally produced by your body. And, it increases specifically during stress or body dysfunction. So if you have elevated levels of erythritol, it doesn't necessarily mean you've been having a lot of the sweetener; it could be that you're sick.

And that's what makes this study so problematic. The subjects in this study were not healthy. For example, more than 70 percent had coronary artery disease and hypertension. Which bring up an important question: did the consumption of erythritol cause the high levels in the blood, or was it because the subjects very sick and naturally producing more in their bodies? We don’t know because the study didn’t test those variables.

To be clear, other studies suggest supplementing with erythritol can led to positive health outcomes. If you’re worried about erythritol, it’s pretty easy to avoid. Simply check the ingredient list. Our take: we need more research focusing on healthy individuals while controlling for erythritol consumption to see if there is an association with disease. But, at this point, it's early to panic based on the findings of the study.

eegilbert · 3 years ago
However, the paper does offer a compelling causal mechanism. Also, it appears they performed follow-up pilot studies on the effects of erythritol consumption—as opposed to its simple presence in the blood. The following quote from the article is repeated in the linked Science commentary:

"The present studies suggest that following ingestion of an artificially sweetened food harboring typical levels of erythritol as artificial sweetener, plasma levels of erythritol remain elevated for many days, well above the thresholds necessary to enhance stimulus-dependent platelet reactivity, even among healthy volunteers."

I agree with Derek Lowe. I'll be avoiding erythritol until subsequent studies prove that it's safe.

eegilbert commented on Syllabus for Eric's PhD Students   docs.google.com/document/... · Posted by u/EvgeniyZh
BeetleB · 5 years ago
While I agree with his perspective on classes, some departments are hostile to this.

When I was in grad school, I was required to take a ridiculous number of course credits to satisfy the requirements. Moreover, if you wanted to pass the qualifying exam, you had to know the material in some of those courses really well. The professors always complained that the requirements were too high and many of their students would lose 2-3 years just satisfying them. But ... professors are the ones who made those requirements to begin with!

eegilbert · 5 years ago
Some of my immediate colleagues are hostile to this!

Agree with the substance of your point: often the importance of classes varies with the structure of the program (e.g., quals).

eegilbert commented on Syllabus for Eric's PhD Students   docs.google.com/document/... · Posted by u/EvgeniyZh
natch · 5 years ago
I take it something that Google Docs is doing makes those inline screenshots (like the year long todo) unreadable? Would love to be able to read those.

And love the paper algorithm btw.

I haven’t been through this journey myself but (to the author, who is here, not the poster) reading through how you have laid things out so clearly, your students are lucky to have you.

eegilbert · 5 years ago
I need to fix that. Apologies. Somebody already caught it an earlier round of feedback, and I just haven't gotten to it yet with the pandemic. But will soon.
eegilbert commented on Syllabus for Eric's PhD Students   docs.google.com/document/... · Posted by u/EvgeniyZh
legerdemain · 5 years ago

  > Test whether the PhD advisor you select knows this and has a history of taking this approach with former students.
How do you "test" for this? Asking potential advisors "do you know this?" is blunt and rude. Asking potential advisors in a mannered way prompts anodyne answers. Current students in the potential advisor's lab are unlikely to offer an intimate assessment of their personal satisfaction and research progress to a stranger, assuming they can even be honest with themselves.

My take is that having a good graduate advisor is largely about having a good undergraduate advisor who can offer an insider take and advocate on your behalf.

eegilbert · 5 years ago
This is my syllabus. :-)

I tell all my prospective students to talk to my former students.

eegilbert commented on What happened to Mint?   fastcompany.com/90453586/... · Posted by u/vontzy
koboll · 6 years ago
I gotta say, a Mint-that-doesn't-suck is something I could absolutely see myself paying $5 a month for, for the rest of my life.

The core functionality is indispensable, but it's become so outdated, inefficient, and difficult to use that I'm champing at the bit to jump ship. I'm surprised it's taken this long for a serious competitor to emerge, given that it's been saturated with ads for at least half a decade and Plaid's been around just as long.

eegilbert · 6 years ago
That's You Need A Budget, which I love paying for.
eegilbert commented on Google's 20th Birthday   google.com/doodles/google... · Posted by u/guessmyname
mapgrep · 7 years ago
I remember using Google when it was hosted at Stanford.edu, luckily internet archive captures this moment:

https://web.archive.org/web/19981111183552/http://google.sta...

Notice that the branding is "Google!" with an exclamation point, just like that other Stanford tool for finding stuff online, Yahoo!.

The "About Google!" page is pretty interesting, includes links to Sergey and Larry's grad school personal home pages:

https://web.archive.org/web/19990204033714/http://google.sta...

It also includes, under "credits," this:

Research Funding: NSF, NASA, DARPA and Interval Research

So remember, Google may be touted as a quintessential Silicon Valley startup, but, like virtually all of them, it owes a lot to the work of the federal government.

(And what is Interval Research, you might ask? Wikipedia says it was a Palo Alto tech incubator co-founded by Paul Allen — previously the co-founder of Microsoft. Lol.)

eegilbert · 7 years ago
Page and Brin were both initially funded by the National Science Foundation to do the algorithmic work that led to Google [1]. Page was supported by an NSF grant from the 1994 Digital Library Initiative program; Brin was at Stanford on an NSF Graduate Student Fellowship.

[1] https://www.nsf.gov/discoveries/disc_summ.jsp?cntn_id=100660

eegilbert commented on Reddit CEO Cracks Down on Abusive Content to Protect Users, Attract Advertisers   wsj.com/articles/reddit-c... · Posted by u/artsandsci
rightos · 8 years ago
That study if I recall correctly completely misses the spillover to other websites, considering only reddit itself - but bans on sites like reddit and Twitter have lead to the rise of sites like Gab, 8chan and Voat in recent years. The spillover is very real, just not on the same site.
eegilbert · 8 years ago
One of the authors here. That's correct. The spillover to other sites is not studied.

Based on an (admittedly imperfectly) related paper with Stevie Chancellor & Munmun De Choudhury [1], I would expect that the spillover to other sites results in a 1) smaller, but 2) more committed group of users.

http://comp.social.gatech.edu/papers/cscw16.thyghgapp.chance... (see Summary of Findings, page 10)

eegilbert commented on She Warned of ‘Peer-To-Peer Misinformation.’ Congress Listened   nytimes.com/2017/11/12/te... · Posted by u/mtviewdave
eegilbert · 8 years ago
Tanushree Mitra wrote a computational paper on this in 2016 [1], finding something similar:

"Using four years of longitudinal data capturing vaccine discussions on Twitter, we identify users who persistently hold pro- and anti-attitudes, and those who newly adopt anti-attitudes towards vaccination. After gathering each user's entire Twitter timeline, totaling over 3 million tweets, we explore differences in the individual narratives across the user cohorts. We find that those with long-term anti-vaccination attitudes manifest conspiratorial thinking, mistrust in government, and are resolute and in-group focused in language."

[1] http://comp.social.gatech.edu/papers/icwsm16.vaccine.mitra.p...

u/eegilbert

KarmaCake day863July 12, 2010
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Associate Professor at Michigan. http://eegilbert.org
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