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Emily Oster Profile
Emily Oster

@ProfEmilyOster

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Data-Driven Pregnancy and Parenting Economist @BrownUniversity Author #ExpectingBetter, #Cribsheet, #FamilyFirm, #TheUnexpected CEO of https://t.co/Q4hHIERBD5 👇

Providence, RI
Joined December 2012
Don't wanna be here? Send us removal request.
@ProfEmilyOster
Emily Oster
2 days
What's going on with formula? Is it safe? Why is the FDA reviewing it? What's this stuff about seed oils? I unpack it all.
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parentdata.org
In May of 2025, the FDA announced a new review of infant formula nutrients called “Operation Stork Speed.” The FDA periodically reviews its formula
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@ProfEmilyOster
Emily Oster
8 days
Tennessee test score results for 2025: Steady Gains.
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@ProfEmilyOster
Emily Oster
15 days
State school test score data releases begin! . Follow the Education Data Center on Substack for updates. First up: Florida.
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@ProfEmilyOster
Emily Oster
20 days
Responding to RFK Jr is like wack-a-mole but here's today's: vaccines do not increase autism by 1135%.
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parentdata.org
This is not true. Not the connection between vaccines and autism, not the claim of a cover-up, nothing. But beyond that, I want to unpack where this even
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@ProfEmilyOster
Emily Oster
1 month
GLP-1s are everywhere -- what are the impacts on fertility? What if you get pregnant on one of them? What about breastfeeding? . We've got data and (some) answers:.
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parentdata.org
Ozempic, Monjaro, Wegovy, Zepbound … GLP-1s are increasingly everywhere. Recent estimates suggest as many as 4% of Americans are now taking one of these
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@ProfEmilyOster
Emily Oster
2 months
The fake AI citations in the MAHA report are obviously embarrassing. But worse is what this says about how they are evaluating the real studies -- so much work in this space is just garbage correlation-not-causation. I cannot imagine they are thinking about evidence quality.
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@ProfEmilyOster
Emily Oster
2 months
Sunscreen -- is it safe, and what are the benefits? Just in time for Memorial Day.
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parentdata.org
Sorry this post is like three months too late
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@ProfEmilyOster
Emily Oster
2 months
A cheat sheet for the MAHA commission report. All the data and context for the many claims, some better supported than others.
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parentdata.org
This week, the MAHA Commission Report was released. The report was highly anticipated as a culmination of the Make America Healthy Again agenda and
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@ProfEmilyOster
Emily Oster
2 months
Today in ParentData: can I drink alcohol while nursing? (And other breastfeeding diet questions).
parentdata.org
What to eat and drink while you're nursing
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@ProfEmilyOster
Emily Oster
2 months
I've got something tomorrow in The Dispatch about why the concept of "pooling equilibrium" can actually help us understand online health influencers. Read it here tomorrow:
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thedispatch.com
Fact-based reporting & commentary on politics & culture, informed by conservative principles. Discover breaking news & expert analysis.
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@ProfEmilyOster
Emily Oster
2 months
There are a lot of panic headlines about arsenic in rice right now. Reality: less arsenic is always better BUT the amounts are A LOT lower than in places where we see impacts.
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parentdata.org
Heavy metals are a popular panic headline topic. Lead is the one that comes up the most (see here for why), but a close second is the concern about arsenic in
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@ProfEmilyOster
Emily Oster
2 months
Is there a "best" way to discipline kids? Do you have to "gentle parent"? Do time-outs ruin your child? And what would "best" mean, anyway?. I investigate:.
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parentdata.org
Unfortunately, we do not have as much data directly on discipline as we might like, but one thing we do have that gives a clue is a lot of data on schools. In
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@ProfEmilyOster
Emily Oster
2 months
Pregnant women get a lot of pressure to buy expensive prenatal vitamins. This is crap, and exploits parental anxiety. Cheap prenatal vitamins are fine. Here's the data.
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parentdata.org
Prenatal vitamins! If there is any product that seems designed to prey on our fears, it is this one. You’re newly pregnant, or trying to get pregnant. You
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