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Posts by Quinn Leffingwell, MPH

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When the Bronx Burned, Tenants Died and Landlords Got Rich

During the 1970s, an arson wave ravaged poor communities across the US. Some lost 80% of their housing. Residents were blamed.

In reality, landlords—paid by insurers and enabled by the state—drove this arson-for-profit epidemic.



I reviewed @benchansfield.bsky.social's revelatory BORN IN FLAMES:

8 months ago 704 300 15 31

Wow, this was an infuriating read

8 months ago 2 0 0 0

This totally makes sense. A notable public figure in the US (Amazon labor organizer Christian Smalls) is illegally arrested by Israel and subjected to severe physical violence while on a hunger strike… and not one US media outlet of any type has decided that is news.

8 months ago 303 169 2 1

This is the most obvious thing I’ve ever said in a post, but renters are citizens of a city. Full citizens. Because of course they are. Anyone who suggests otherwise isn’t just clueless about the affordability struggles that cities face — they’re clueless about the essential reality of cities.

9 months ago 725 127 22 15

One of the unexpected things about (most) administrative data is that they don't routinely come with family/relationship information.

Address is also usually removed for research because it's identifiable information, so household level analysis can be very difficult.

9 months ago 4 1 1 0
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Utrecht to start construction on largest car-free neighborhood in the country next week Construction of a new neighborhood is set to begin in Utrecht next week. The neighborhood, called Merwede, is scheduled to be the largest car-free district in the Netherlands, with 6,000 homes. The ar...

Utrecht, Netherlands is about to build the largest Dutch “car-free” neighbourhood.

12K people
6K homes
1.8K social rental homes
1.5 mid-range rental & affordable owner-occupied homes
21.5K bike parking spaces
250 shared cars
2 parcel hubs
Parking structures on the edge
nltimes.nl/2025/02/25/u...

9 months ago 372 101 7 15

Not clicking on that but I will note, it's a great thing to have wealth and privilege and decide that redistribution needs to happen so you have less and others have more

9 months ago 501 56 16 8
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Democratic Establishment, panicked, yelling:
"We need to energize young male voters to win elections!"

Zohran: wins, running a pro-Palestine, public transit, and housing platform:

Democratic establishment: NOT LIKE THAT

9 months ago 2 0 0 0
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Iran Join Rick as he explores the most surprising and fascinating land he's ever visited: Iran. In a one-hour, ground-breaking travel special on public television, you'll discover the splendid monuments of...

In the spring of 2008, I feared America was on the verge of war with Iran — and, believing that it’s good style to get to know people before you bomb them, I made “Rick Steves’ Iran,” a one-hour special that could (and would) only debut on PBS. Sadly, this special has become pertinent again today.

10 months ago 12076 3386 198 216
Pict of article titled Adolescent and young adult access to opioid use disorder care

Pict of article titled Adolescent and young adult access to opioid use disorder care

📣New paper out in Pediatrics about Adolescent & Young Adult OUD Care Access, by part of our UW team💕, & co-first-author, Dr. Alexis Ball!

📝Documenting part of what we already know in practice:

real care options & honest conversations @ drug use matter a lot.

publications.aap.org/pediatrics/a...

10 months ago 7 3 0 0

Further motivation to learn Spanish: I would never have to listen to Doris Burke call an NBA game again

10 months ago 1 1 0 0

Pacers fans sound like they haven’t updated their ball knowledge since Hoosiers came out

10 months ago 0 0 0 0
Plato's Cave allegory, illustrated. the shadows on the cave wall are captioned "increasingly insane and extreme positions", the prisoners labeled "internet users", the figures holding the shadow's shapes labeled "algorithms", the fire labeled "random internet users expressing their idiosyncratic beliefs". the space above the cave is labeled "literally just outside" and the philosopher freed from the chains of the physical world labeled "guy who logs off"

Plato's Cave allegory, illustrated. the shadows on the cave wall are captioned "increasingly insane and extreme positions", the prisoners labeled "internet users", the figures holding the shadow's shapes labeled "algorithms", the fire labeled "random internet users expressing their idiosyncratic beliefs". the space above the cave is labeled "literally just outside" and the philosopher freed from the chains of the physical world labeled "guy who logs off"

from "Classical Studies memes for Hellenistic teens" on FB

10 months ago 6694 1213 73 65

The type of photo you frame and hang above your desk

10 months ago 2 0 0 0

OKC exemplifies everything that people who don't actually watch the NBA, get wrong about the NBA.

Nobody plays defense. Really? Go watch the Thunder.

It's all about threes. Really? Go watch the Thunder.

Everyone plays exactly the same way. Really? Go watch the Thunder.

10 months ago 470 81 24 15
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Page Layout – Quarto

For anyone running a #Quarto website/report/whatever HTML, you might like to know about the YAML option

page-layout: full

I personally prefer wider content areas so pages don't feel as long, but each to their own

quarto.org/docs/output-...

#rstats #dataBS

10 months ago 30 3 0 0
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Officially added three new initials to my name ☺️

11 months ago 2 0 0 0
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On the blog: strategies for mapping dense point data in R.

Learn how to use:
🌎 Circle clusters
🌎 Dynamic heat maps
🌎 Point jittering for same-location events

Read the post: walker-data.com/post...

#rstats #gis #datavisualization

11 months ago 14 2 0 0
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Childhood adversity as a risk factor for autoimmune disease: A systematic review and meta-analysis with implications for psychiatry Autoimmune diseases are a heterogeneous category of disorders caused by an interaction between genetic and environmental factors which lead to a dysre…

Childhood adversity as a risk factor for autoimmune disease: A systematic review and meta-analysis with implications for psychiatry www.sciencedirect.com/science/arti...

11 months ago 29 11 1 0
Image of first page of journal article mentioned and linked in post,  Spatial Epidemiologic Analysis of Opioid Use Disorder Treatment in New York State.

Image of first page of journal article mentioned and linked in post, Spatial Epidemiologic Analysis of Opioid Use Disorder Treatment in New York State.

Check out the latest study from CDUHR affiliated investigator Ashly Jordan - A Spatial Epidemiologic Analysis of Opioid Use Disorder Treatment in New York State
journals.lww.com/lww-medicalc...

1 year ago 6 2 0 0
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Sign the Petition Free Rumeysa Ozturk Now!

www.change.org/p/free-rumey...

11 months ago 1 1 0 0

A horrible story but god bless this woman so accurately reading the ICE goons for filth here

11 months ago 17274 6962 308 366
Print featuring a white woman holding her strong arms over the heads of three small children who look out from under with scared faces

Print featuring a white woman holding her strong arms over the heads of three small children who look out from under with scared faces

"Seed Corn Must Not Be Ground" final lithograph of Käthe Kollwitz, 1942. The death of her son in WW1 and death of her grandson in WW2 obviously profoundly affected the artist. This print reflects the theme of a mother protecting their children from the horrors of war #WomensArt

11 months ago 2482 429 0 23
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Drug induced homicide laws may worsen opioid related harms: An example from rural North Carolina Drug-induced homicide (DIH) laws typically allow for the prosecution of drug distribution resulting in an overdose fatality as equivalent to homicide …

I.e.
www.sciencedirect.com/science/arti...

11 months ago 2 1 0 0
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Marvin Bagley hits a huge 3 pointer from 3/4 court at the 3rd quarter buzzer to get Grizzlies to within 49 points.

1 year ago 48 8 1 1
Reading Natality Data

** Researchers using US Natality Data: Code to read & label restricted-access CDC natality data into Stata/R now includes 2019–2023 (in addition to 2010–18): florenciatorche.github.io/ReadNatality...
Please share—no need for us all to write the same code!
Thanks to @RussellSageFdn for funding

1 year ago 45 17 1 3
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Addiction Science Defense Network | npsc The ASDN is an information exchange and action network for individuals and organizations devoted to studying, treating and preventing problems caused by psychoactive substance use, including alcohol, ...

🚨 I have been working with several addiction scientists and clinicians through the Addiction Science Defense Network (www.npscoalition.org/projects/add...) to craft a statement of concern about recent executive orders and actions that can be shared with members of congress.

1 year ago 68 31 1 6
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‘Torn to pieces’: Israeli strikes kill 35 Palestinians in new massacre Dozens are wounded and missing in multiple air strikes with many buried in the debris in Shujayea in Gaza City.

At least 35 Palestinians are killed, 55 wounded and 80 missing in a series of powerful Israeli air attacks on Shujayea district in northern Gaza City.

🔴 LIVE updates ⤵️ aje.io/uzvadz

1 year ago 271 185 4 12