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Kate Leifheit

@leifscience.bsky.social
178 followers 108 following 12 posts

Social Epidemiologist Housing policies & health

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Reposted by Kate Leifheit
Katie Bergh @katiebergh.bsky.social · 13/07/2026
NEW: A year after H.R. 1 enacted the deepest SNAP cuts in history, the number of children receiving SNAP nationwide has likely dropped by more than 1.5 million, based on our analysis of available data from 17 states. www.cbpp.org/research/foo...
cbpp.org
SNAP Tracker: People Are Losing Food Assistance as the Republican Megabill Is Implemented
SNAP participation nationwide fell by more than 4 million people (nearly 10 percent) between the law’s July 2025 enactment and March 2026, based on the latest month of data.
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Reposted by Kate Leifheit
Ann Owens @annowens.bsky.social · 16/06/2026
Which states have the most segregated schools — and why does it matter? New report coming Monday, June 22! Join us at noon ET to break down the numbers and what state policymakers can do about it. Register here: bit.ly/statesofsegr... @brownspromise.bsky.social x Segregation Tracking Project
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Kate Leifheit @leifscience.bsky.social · 05/05/2026
I put together some data on LA City Council Members' handling of encampments and housing policy. Tldr; the data show council members differ sharply in sweeps, arrests, and housing-based solutions. Some are following the science; others are not. Check it out! arcg.is/199qmv2
arcg.is
LA City Council Handling of Unsheltered Homelessness, Graded
Data show council members differ sharply in sweeps, arrests, and housing-based solutions. Some are following the science; others are not.
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Kate Leifheit @leifscience.bsky.social · 06/04/2026
New paper out in @jamanetworkopen.com! We found that, among several potential explanations, recent surges in homelessness within states were best explained by 1) rollback of pandemic-era eviction protections and 2) property loss due to climate-related events jamanetwork.com/journals/jam...
jamanetwork.com
Factors Associated With Rising Homelessness Within US States, 2019 to 2024
This cohort study investigates whether state-level factors were associated with change in homelessness in the US from 2019 to 2024.
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Reposted by Kate Leifheit
Matt Gannon @mattygannon.bsky.social · 26/02/2026
First publication! We show that the Supreme Court’s cessation of the pandemic-era national eviction moratorium increased food insufficiency among US renters with children by 3.17pp, a 20% relative increase. (1/2). Link: www.tandfonline.com/eprint/M32SY...
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Reposted by Kate Leifheit
Liam Dillon @liamjdillon.com · 07/03/2026
Two rising leaders in New York and Los Angeles are pushing for a fundamental revolution in urban housing politics: A unified progressive movement centered on renters instead of homeowners www.politico.com/news/2026/03...
politico.com
The big-city socialists who want developers to cash in
Zohran Mamdani and Nithya Raman are pursuing a once unthinkable housing alliance: tenant protections paired with pro-market policies that spur private construction.
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Reposted by Kate Leifheit
Harvard Joint Center for Housing Studies @harvard-jchs.bsky.social · 04/02/2026
As affordability continues to deteriorate, the number of cost-burdened households in the US rose to record highs in 2024, with 43.5 million households spending over 30% of their income on housing, and 21.6 million spending over half. @pjwhit.bsky.social www.jchs.harvard.edu/blog/housing...
jchs.harvard.edu
Housing Unaffordability Soared to New Highs in 2024
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Rita Hamad @ritahamad.bsky.social · 20/01/2026
🚨Postdoc alert! @harvardpopcenter.bsky.social is now accepting applications for 2026-2028 Bell Fellowship! Apply by March 3: popcenter.harvard.edu/postdoctoral... @popassocamerica.bsky.social @iaphs.bsky.social @societyforepi.bsky.social @ashecon.bsky.social @asanews.bsky.social
popcenter.harvard.edu
Postdoctoral Fellowships – Harvard Center for Population and Development Studies
A Harvard University cross-school, interfaculty initiative administered by the Harvard T.H. Chan School of Public Health
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Reposted by Kate Leifheit
Councilmember Nithya Raman @cd4losangeles.bsky.social · 20/08/2025
I voted no against a resolution to unilaterally oppose SB79 today, not because I am in total agreement with the design of SB79, but because our housing crisis is too dire for us not to engage constructively with this bill and its goals: to build more housing near transit in LA.
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Reposted by Kate Leifheit
Jesse Rabinowitz @jesserbnwtz.bsky.social · 24/07/2025
"This order does nothing to lower the cost of housing or help people make ends meet. The safest communities are those with the most housing and resources, not those that make it a crime to be poor or sick." Full statement at homelesslaw.org/statement724...
homelesslaw.org
Trump’s new Executive Order directs states to treat homelessness and mental illness as crimes - National Homelessness Law Center
National Homelessness Law Center condemns Trump’s misguided Executive Order on homelessness Order directs states to treat homelessness and mental illness as a crime, will make homelessness worse ...
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AG Rob Bonta @agrobbonta.oag.ca.gov · 22/07/2025
Californians: remember it is illegal for landlords to discriminate and retaliate against tenants or push tenants to move out by threatening to disclose a tenant’s immigration status.   CA tenants — no matter their immigration status — have a right to safe housing.
Housing Discrimination is Illegal in California

Landlords cannot discriminate based on race, national origin, sexual orientation, gender identity, religion, disability, source of income, or other protected characteristics.

Landlords are never allowed to harass or retaliate against a tenant by disclosing their immigration status to law enforcement.

Tenants have the right to housing documents in a language they can understand.
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Reposted by Kate Leifheit
Los Angeles Times @latimes.com · 23/07/2025
Latino tenants sued their landlord. A lawyer told them they would be 'picked up by ICE.'
latimes.com
Latino tenants sued their landlord. A lawyer told them they would be 'picked up by ICE.'
When a Latino tenant filed a lawsuit against a landlord and real estate agent for selling the home she was evicted from, an opposing lawyer suggested she'll likely be deported by ICE before trial.
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Shelterforce @shelterforce.bsky.social · 12/07/2025
Criminalizing homelessness doesn’t reduce it. A new national study proves that bans on sleeping outside don’t work. Read: bit.ly/4nyBRPU #housingpolicy #endhomelessness #shelterforce
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Reposted by Kate Leifheit
Harvard Joint Center for Housing Studies @harvard-jchs.bsky.social · 10/07/2025
✅ The highest monthly mortgage payment on record ✅ The highest median existing home price ✅ A record number of renters with cost burdens ✅ A record number of billion-dollar weather-related disasters in a 2 year span 2024 was a year full of housing records. www.jchs.harvard.edu/blog/year-re...
jchs.harvard.edu
A Year for the Record Books: The State of the Nation’s Housing in Perspective
It has been a record year for housing. Our latest State of the Nation’s Housing report highlights an eye-popping list of milestones that were set in
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Reposted by Kate Leifheit
Eviction Lab @evictionlab.bsky.social · 10/06/2025
"It would have a devastating impact on families.” www.npr.org/2025/06/04/n... By @npr.org's @jenniferludden.bsky.social #housing+ #urbanism+ #urbanism
npr.org
The Trump administration is working on a plan for time limits on rental aid
A housing agency rule would also allow work requirements. Supporters say a time limit would help spread limited funds to more people, but critics warn it would leave some homeless.
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Kate Leifheit @leifscience.bsky.social · 06/06/2025
New from @dgsomucla.bsky.social National Clinician Scholar Program fellow Cecile Yama: The 2021 Expanded Child Tax Credit reduced energy insecurity (difficulty paying utility bills) among US families. Open Access at @amjpublichealth.bsky.social ajph.aphapublications.org/doi/epdf/10....
ajph.aphapublications.org
Expiration of the Expanded Child Tax Credit and Energy Insecurity in US Households With Children, 2021–2022
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Reposted by Kate Leifheit
Gabe Schwartz @gabeschwartz.bsky.social · 27/05/2025
📣 Poor housing conditions like mold, cockroaches, peeling paint, & dilapidation harm health. States have policies to protect tenants from those exposures, but until now, no one ever tested whether they work. In a new paper, we find these policies are failing: 🧵 #episky 1/
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Reposted by Kate Leifheit
Elizabeth Wrigley-Field @wrigleyfield.bsky.social · 29/05/2025
For 40 years, Americans have lived shorter lives than people in other rich countries. For 10 years, that's been rapidly getting worse. New research: in 2022-2023, there were 1.5 million "missing Americans," who died--but wouldn't have, if America didn't have such uniquely high death rates.
jamanetwork.com
Excess US Deaths Before, During, and After the COVID-19 Pandemic
This cohort study examines trends in excess deaths in the US before, during, and after the COVID-19 pandemic.
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Brian Goldstone @brian-goldstone.bsky.social · 19/05/2025
News outlets aren't doing nearly enough to sound the alarm about Trump's proposed decimation of federal housing programs. We're talking catastrophic cuts that would put millions at risk of eviction and homelessness—making an already brutal crisis even worse. And it's barely being covered.
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Reposted by Kate Leifheit
Katie Bergh @katiebergh.bsky.social · 19/05/2025
What would House Republicans' $300 billion #SNAP cut mean? Millions of low-income people would lose some or all of the food assistance they need to afford groceries. We've started crunching the numbers on the deepest cut to food assistance in history:
cbpp.org
By the Numbers: House Republican Reconciliation Bill Takes Food Assistance Away From Millions of People | Center on Budget and Policy Priorities
The House reconciliation bill would dramatically raise costs and reduce food assistance for many millions of people by cutting federal funding for the Supplemental Nutrition Assistance Program (SNAP) ...
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Reposted by Kate Leifheit
Carolyn Swope @cbswope.bsky.social · 14/05/2025
Belatedly introducing a new piece on racial capitalism, redlining, causality, and public health that I was lucky enough to work on with coauthors @snmarkley.bsky.social, Shannon Whittaker, and Amy Hillier! ajph.aphapublications.org/doi/10.2105/... 1/
ajph.aphapublications.org
How and Why Does Redlining Matter for Present-Day Health? Critical Perspectives on Causality, Cartography, and Capitalism | AJPH | Vol. 115 Issue 5
Recent years have seen an explosion of public health research on associations between historical redlining maps created by a US government agency, the Home Owners’ Loan Corporation (HOLC), and present...
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Reposted by Kate Leifheit
Joe Fish @sadbusdriver.bsky.social · 03/05/2025
Prettier version of my chart + a Difference in Differences showing changes in the supply of market rate housing have large impacts on prices. Areas that saw more homes destroyed during the Los Angeles fires have, on average, seen 4% larger post-fire price increases.
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Reposted by Kate Leifheit
Jennifer Ludden @jenniferludden.bsky.social · 02/05/2025
Congress will decide. But housing aid takes a major hit in the White House budget request. www.npr.org/2025/05/02/n...
npr.org
Trump budget would slash rental aid by 40% -- and let states fill the gap if they want
The proposal would cut off rental subsidies after two years for able-bodied adults. Advocates warn if enacted, the White House plan would tip many low-income renters over the edge into homelessness.
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Reposted by Kate Leifheit
Dan Immergluck @danimmergluck.bsky.social · 28/04/2025
New from me: "...advocates should be prepared to make a compelling case against any cuts to housing programs. Unfortunately, merely arguing that there should be a right to affordable, decent, and stable housing will be insufficient to convince many to maintain federal funding for these programs."
dans-newsletter-cfccf2.beehiiv.com
HOUSING IMPACTS EVERYTHING: Ammunition from the Research Literature for Fighting Federal Cuts to Affordable Housing
...and for seeking increased support from state, local, and philanthropic sources
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Kate Leifheit @leifscience.bsky.social · 27/04/2025
Dr. Achyuth Sriram of @dgsomucla.bsky.social Pediatrics sharing his important work on the Child Tax Credit at #PAS2024
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Reposted by Kate Leifheit
Julia Raifman, ScD @juliaraifman.bsky.social · 26/04/2025
“A 90-day [PEPFAR] funding freeze would result in 60K [95% UI: 49–71 thousand] excess HIV deaths” This increases to 74K excess HIV deaths [95% UI: 63–89 thousand] for a more realistic scenario “assuming near-total system collapse due to program dependencies” @thelancet.bsky.social
thelancet.com
The impact of the PEPFAR funding freeze on HIV deaths and infections: a mathematical modelling study of seven countries in sub-Saharan Africa
The sudden cessation of PEPFAR funding likely results in tens of thousands of HIV deaths and new infections. These losses of life and health should compel the United States government to rapidly and f...
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Reposted by Kate Leifheit
David Wagner @dwagner.bsky.social · 18/04/2025
Undercover tests reveal Southern California landlords are still turning away tenants using Section 8 vouchers, five years after state law made such discrimination illegal. My @laist.com story breaks down the results of recent fair housing testing.
laist.com
It's illegal, but many SoCal landlords still turn away renters who use housing vouchers
Undercover testers were deployed to find out if landlords discriminate against Section 8 tenants. The results suggest voucher refusal remains common.
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Kate Leifheit @leifscience.bsky.social · 22/04/2025
Important new study by @gabeschwartz.bsky.social & colleagues!
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Reposted by Kate Leifheit
Maya Sen @mayasen.bsky.social · 18/04/2025
Ok so yeah, this has quickly become the #1 misunderstanding about the canceled grants the grants are not “subsidies” or “entitlements” to Harvard or Princeton or whatever they aren’t going into universities’ endowments they are competitive contracts won by these universities to do research
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Costa Samaras @costasamaras.com · 18/04/2025
Families will die without LIHEAP.
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Ruthy Gourevitch @ruthygourevitch.bsky.social · 07/04/2025
Bee's home filled with ash during the wildfires. Holly pays $350/month to heat her studio apt. Desperate for safety & change, both turned to a trusted source: the tenant union. The climate crisis hits tenants hardest, but tenants are fighting back. I wrote about it in @shelterforce.bsky.social
shelterforce.org
The Climate Crisis Hits Tenants Hardest. They're Fighting Back.
From California to North Carolina, tenants are organizing to demand protections from natural disasters.
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Atheendar Venkataramani @atheendar.bsky.social · 28/02/2025
I'm getting asked by people whether they should pivot from #healthequity work or somehow rebrand it. All I can say is that if you care about an issue you should continue to work on it. Further, it doesn't seem to matter what you call it. Those attacking this area don't care what you call it.
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Reposted by Kate Leifheit
Center on Budget and Policy Priorities @centeronbudget.bsky.social · 07/03/2025
We've just launched a new resource that tracks the Trump Administration’s unlawful and harmful actions to reshape the government, highlighting the impacts on low- and moderate-income people and essential programs: www.cbpp.org/research/fed...
cbpp.org
Executive Action Watch | Center on Budget and Policy Priorities
The Trump Administration has unleashed a flurry of measures to radically reshape the federal government. Many of these moves are overtly unlawful, and others will reduce and weaken key services to...
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Josh Busby @busbyj2.bsky.social · 23/02/2025
A tracker estimating deaths caused by the partial PEPFAR funding suspension: pepfar.impactcounter.com. Methodology here: pepfar.impactcounter.com/methodology.
Deaths from PEPFAR disruption
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Rita Hamad @ritahamad.bsky.social · 27/01/2025
#Data alert: US Census Household Pulse Survey ended in Sep 2024 and is being relaunched this month as the Household Trends & Outlook Pulse Survey. HPS has been a tremendous resource for policy evaluation. Hopefully HTOPS will be maintained moving forward. www.census.gov/newsroom/blo... #epitwitter
census.gov
Evolving the Household Pulse Survey
The HPS is a program developed by the Census Bureau to meet data needs for informing emerging policy questions in an exceptionally timely way.
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Kate Leifheit @leifscience.bsky.social · 11/01/2025
Beware of price gouging, #LosAngeles! The 6BR rental next door to me (which has been on the market and sitting vacant since August) just tried to increase the asking rent by over 50% ! Report bad actors at oag.ca.gov/report
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Rita Hamad @ritahamad.bsky.social · 04/12/2024
Reminder! 💡 Articles for this special collection at Health Affairs Scholar are due by December 31. Submit your work on social policies and health. Details below. @kathrynp-phd.bsky.social @leifscience.bsky.social @anushamvable.bsky.social @mkushel.bsky.social
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Matt Eisenberg @mattdeisenberg.bsky.social · 20/09/2023
OK I last logged in 2 months ago but the talk on twitter is more folks are over here. Please RT me so I can rebuild my network! My content is health econ and my dog.
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Michael D. Green, PhD @michaeldgreen.phd · 03/12/2024
IAPHS is where I gave my first oral presentation. Super welcoming community and the annual meeting always brings together prolific researchers across all career stages. If you’re doing work in Population Health Sciences, you should submit an abstract! 🛟🧪 #MedSky #MedEd
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Carl Gershenson @cgershenson.bsky.social · 29/11/2024
I'm glad to see that disaster-induced housing instability is now routinely covered by the press. The next step is for states to actually have disaster programs for renters in place before disasters strike! www.washingtonpost.com/climate-envi...
washingtonpost.com
After Helene, a push to stave off evictions in North Carolina
Some tenants who could barely afford rent in western North Carolina before Hurricane Helene have fallen behind and are now facing the possibility of eviction.
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Shelterforce @shelterforce.bsky.social · 26/11/2024
Stable, healthy, decent affordable housing sets children up for educational success, and allows schools to be able to focus on what they do best. Shelterforce's Miriam Axel-Lute breaks down the housing-education connection and what you can expect in our new series. bit.ly/4fGMFaI
bit.ly
The Housing-Education Intersection
Shelterforce's Miriam Axel-Lute breaks down the housing-education connection and what you can expect in our new series.
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Shelterforce @shelterforce.bsky.social · 23/11/2024
📊 Voters approved more than $1B of funding for housing and homelessness efforts, but they also rejected tenant protections in multiple cities and passed measures that criminalize people living on the streets. Here's what we found: bit.ly/4eC9Hy6
bit.ly
Where Housing Won and Lost in the 2024 Election
Dozens of housing-related ballot measures were up for vote on Nov. 5. Here's what passed, what was rejected, and what voters can expect next.
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Margot Kushel MD @mkushel.bsky.social · 18/11/2024
As more folks come over from that other place--I started a starter pack for people working on #homelessness & #housing. Check it out! And let me know who I left off! Let's rebuild a community... go.bsky.app/JGmu7Nf
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