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Posts by Arnaud Chiolero MD PhD

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Near Lausanne, March 2026 #Switzerland 🇨🇭

1 month ago 1 0 0 0
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Rise of anti-science rhetoric has fundamentally changed the relationship between doctors and patients “The rise of anti-science and anti-vaccine rhetoric has fundamentally changed the relationship between clinicians and patients.”

"Over the past few years, the rise of anti-science and anti-vaccine rhetoric has fundamentally changed the relationship between clinicians and patients. It has made routine preventive care feel like walking into an ideological minefield." #PopHealthLab #evidence www.statnews.com/2025/12/10/a...

4 months ago 0 0 0 0
Image of new Our World in Data search page

Image of new Our World in Data search page

🔍 Introducing our new, more powerful search!

→ ourworldindata.org/search

With such a rich publication—nearly 14,000 charts and 100s of articles on 120+ topics—it can be hard to find what matters to you.

Now, finding what you’re looking for, or discovering something new, has never been easier.

5 months ago 80 17 2 2
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Fall 2025 in Switzerland🇨🇭 waiting for Christmas 🎅

5 months ago 1 0 0 0
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Had a fantastic few days in Oslo with @robertwplatt.bsky.social, @je-schwarze.bsky.social, and colleagues (plus @jdwilko.bsky.social online!) discussing how to do better reproductive research!

6 months ago 20 3 1 0
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The Formula for Better Health In The Formula for Better Health, Tom Frieden—named “the most influential leader in American public health since C. Everett Koop” by former...

Pre-order your copy here:

6 months ago 3 1 1 0

Having a degree is -on average- better than having no degree, but it is not sufficient.

6 months ago 3 0 0 0
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Science is under siege from weaponised disinformation – posing a threat to human civilisation | Michael Mann and Peter Hotez From Covid misinformation to climate denialism, understanding the divergent paths of Australia and the US can help us fight the powerful forces that threaten our world As two scientists who lived through...

Science is under siege from weaponised disinformation – posing a threat to human civilisation | Michael Mann and Peter Hotez #Science #Culture #Disinformation #ScienceCommunication #PublicTrustInScience

7 months ago 31 17 0 0
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Reinforce Population Health Sciences for Evidence-Based Public Health

Kennedy is wrong, for sure, but how to resist⁉️ "To uphold a truly evidence-based public health, we must re-enchant and reinforce independent scientific institutions capable of generating valid expertise grounded in population health sciences." #PopHealthLab
www.bmj.com/content/390/...

7 months ago 0 0 0 0
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An NIH Reviewer Offers Grant-Writing Tips Although securing grants in a competitive environment is challenging, researchers can ensure they put their best foot forward by following a few simple tips.

www.the-scientist.com/an-nih-revie...

8 months ago 1 0 0 0
Shows death rates in US and eu cities by temperature, air con being the decisive factor

Shows death rates in US and eu cities by temperature, air con being the decisive factor

Sitting here bleary after another poor night's sleep, disinclined to engage in a day of cognitive effort, this chart from @jburnmurdoch.ft.com really strikes home on.ft.com/4eFZG4l

9 months ago 365 102 30 25
A chart in three parts showing data on child mortality to make the points that "The world is awful. The world is much better. The world can be much better. All three statements are true at the same time."

A chart in three parts showing data on child mortality to make the points that "The world is awful. The world is much better. The world can be much better. All three statements are true at the same time."

The world is awful. The world is much better. The world can be much better.

All three statements are true at the same time. Understanding this is key to solving big global problems.

We believe data & research can help us understand both the problems we face & the progress that’s possible. 🧵

1 year ago 1248 419 11 40
A line chart showing the global number of people living in extreme poverty. Extreme poverty is defined as living below the International Poverty Line (IPL), which is $2.15 per day in 2017 prices (shown as a red line on the chart) and $3 per day in 2021 prices (shown as a blue line).

125 million people who would not have been counted as extremely poor before June 2025 (when the IPL was raised to $3 per day) are now included.

This data is adjusted for inflation and for differences in living costs between countries. The data source is the World Bank (2024 and 2025). The chart is CC BY Our World in Data.

A line chart showing the global number of people living in extreme poverty. Extreme poverty is defined as living below the International Poverty Line (IPL), which is $2.15 per day in 2017 prices (shown as a red line on the chart) and $3 per day in 2021 prices (shown as a blue line). 125 million people who would not have been counted as extremely poor before June 2025 (when the IPL was raised to $3 per day) are now included. This data is adjusted for inflation and for differences in living costs between countries. The data source is the World Bank (2024 and 2025). The chart is CC BY Our World in Data.

✍️ New article: “$3 a day: A new poverty line has shifted the World Bank’s data on extreme poverty. What changed, and why?” 🧵

8 months ago 61 20 1 2
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Near #Lausanne 🇨🇭 August 2025

8 months ago 1 0 0 0
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The Thinker. Los Angeles, 1930

Hiromu Kira

8 months ago 88 10 0 0
Zeynep Pamuk on Politics and Expertise: ‘It’s not just a matter of fixing the communication and educating the people’ | ayzwang | Oxford Political Review Antoine Levie speaks to Zeynep Pamuk, Associate Professor in Contemporary Political Theory at Oxford University and Professorial Fellow at Nuffield College, about her recent book ‘Politics and Experti...

"Pamuk gives a compelling philosophical argument for increasing the institutions that are at the nexus of citizen civil society and the expert-led decision-making processes of government"
oxfordpoliticalreview.com/2024/03/24/z...

8 months ago 0 0 0 0
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The Impact of Definitions of Disease on Overdiagnosis This Viewpoint discusses the global challenge of defining diseases and the need to balance broader access to medical treatment with avoidance of harmful medicaliziation and inefficient resource use.

"Continuously expanding disease criteria can reduce underdiagnosis and increase appropriate care, but often risk overdiagnosis, resulting in overtreatment and low-value care, ultimately threatening health care sustainability." #PopHealthLab
jamanetwork.com/journals/jam...

8 months ago 1 1 0 0
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Figure 1. All-Cause Mortality Rates per 100 000 in the US vs OECD18 for <1-Year-Old Infants and 1- to 19-Year-Old Individuals, 2007-2022

Figure 1. All-Cause Mortality Rates per 100 000 in the US vs OECD18 for <1-Year-Old Infants and 1- to 19-Year-Old Individuals, 2007-2022

US children's health has worsened from 2007 to 2023 across various indicators, including mortality, chronic conditions, and mental health.

ja.ma/4lZnRxG #MedSky #PedSky

8 months ago 14 15 2 2

This will be:

* the first European Congress of Epidemiology since Cork, Ireland 2019

* the 70th conference of the Society for Social Medicine & Population Health

* the 70th anniversary of the first meeting of the International Epidemiological Association

So a real celebration of Epi in Europe!

8 months ago 6 3 1 0
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SAVE THE DATE: The 2026 IEA European Congress of Epidemiology and 70th @socsocmed.bsky.social Annual Conference will take place in London, UK on 8th-11th September 2026!

#EpiSky #EuroEpi2026

8 months ago 38 18 1 3
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#epidemiology Save the date 💪😘 @pwgtennant.bsky.social @societyforepi.bsky.social @robertwplatt.bsky.social @harvardepi.bsky.social @yalesph.bsky.social

8 months ago 4 0 0 0

PLEASE SHARE THROUGH YOUR NETWORKS!!! ⬆️

@mendelrandom.bsky.social @swissepi.bsky.social @christinadahm.bsky.social @ideberitlange.bsky.social @jlrohmann.bsky.social @jeremylabrecque.bsky.social @nataliaortega.bsky.social @statsepi.bsky.social @janetcade.bsky.social @robertwplatt.bsky.social

8 months ago 6 2 0 0
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Bordeaux Mai 2025

11 months ago 1 0 0 0
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Confusion between population risk prediction and individual disease Riley and colleagues discuss the importance of presenting the uncertainty around risk estimates provided by clinical prediction models.1 They describe how uncertainty and bias can be caused by poor me...

Risk prediction is made at a group level - not at an individual level 🤔 It seems evident but the confusion is pervasive 😱 and stems from the conflation between risk and disease #PopHealthLab
www.bmj.com/content/389/...

11 months ago 1 0 0 0
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Screen no matter the risk? The systematic review by Naomi Tan and colleagues published in The Lancet Public Health (February issue) on the perceptions of personalised risk-based cancer screening reflects a growing trend in the ...

#Cancer screening ▶️ a whole-population or a risk-based approach⁉️ If risk-based, can you convince the "low-risk" strata to do less⁉️ #prevention #PopHealthLab @thelancetph.bsky.social @drotte.medsky.social @cancerresearchuk.org @vickersbiostats.bsky.social
www.thelancet.com/journals/lan...

11 months ago 0 0 0 0
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Easter 2025 in Lugano #Switzerland

11 months ago 0 0 0 0

#SoonInAJPH: "Building Community Research Capacity to Address Cardiovascular Health Disparities"

An adapted curriculum significantly boosts community research capacity and participation in cardiovascular health initiatives.

1 year ago 1 1 0 0
What is Your Estimand? Defining the Target Quantity Connects Statistical Evidence to Theory | Brandon Stewart

Three thinks to do in quantitative population health studies (1) set a theoretical estimand, (2) link it to an empirical estimand, and (3) learn from data. You want to know more⁉️ Read this fantastic review #PopHealthLab
bstewart.scholar.princeton.edu/publications...

11 months ago 1 0 0 0
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A frontal assault
graph from www.nytimes.com/2025/04/18/u...
editorial @postopinions.bsky.social www.washingtonpost.com/opinions/202...

1 year ago 256 87 2 3
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Easter 2025, Pully, Switzerland 🇨🇭

1 year ago 1 0 0 0