Ari B Friedman
abfriedman.com
Ari B Friedman
@abfriedman.com
This is my personal account. Faculty at UPenn. Emergency doc, health economist, geriatrics and privacy researcher. Views are my own. RT does not imply endorsement.
Next CORE Talk (Care, Outcomes, and Reform of Emergency Systems): Dr. Laura Burke on "The Medicare Urgent Care Boom: Trends, Drivers, and Impacts"
Visit coretalks.org to register for this talk and to signup for the newsletter.
September 4, 2025 at 8:53 PM
We are excited to launch our new talk series: Care, Outcomes, and Reform of Emergency Systems (CORE) Talks. Free Zoom seminars on policy-relevant evidence about EDs, telemedicine, and urgent care.

www.coretalks.org

Today at 11a EST, Dr. Jesse Pines, “How AI May Transform Emergency Care.”
September 2, 2025 at 10:40 AM
There's a new telescope this week. Dreamed up in 1998. NSF first funded it in 2005. Its camera sensor is measured in feet. It cost $2B. For that we learn about the universe and not get wiped out by an asteroid like the dinosaurs. We can do great things, when we dream, plan, work, and fund them.
June 29, 2025 at 12:44 PM
If only there were people who spent their lives studying economies who could be consulted before making crucial decisions about the economy.
April 3, 2025 at 1:04 AM
The sabotage of American scientific leadership continues.
March 2, 2025 at 11:15 AM
March 2, 2025 at 1:09 AM
February 24, 2025 at 3:17 PM
Spent my lazy academic Sunday working on power analyses for a R01 proposal and 3d printing a bracket for a paper consent lockbox so we can do remote enrollment for my K.
February 23, 2025 at 9:33 PM
Suddenly these became more relevant.
February 12, 2025 at 9:48 PM
Walking in to work at the same time as my airborne colleagues. Stay safe everyone.
February 2, 2025 at 7:54 PM
Today I sat 1 block from the NIH at a scientific conference and was unable to talk to my government scientific representatives.
January 30, 2025 at 12:51 AM
Continued (deliberate) erosion of the norms that made our economy so effective in the 20th century. www.washingtonpost.com/politics/202...
October 7, 2024 at 11:41 AM
Here’s a better datavis, taken from DuckDuckGo
August 5, 2024 at 8:55 PM
Chart crime from the @nytimes.com
August 5, 2024 at 8:54 PM
Extra cheating cc @mdaware.bsky.social
May 13, 2024 at 11:36 PM
How the research really gets done.
April 15, 2024 at 6:08 PM
April 8, 2024 at 7:11 PM
April 8, 2024 at 6:51 PM
If you see this you have to post a picture from your phone but don’t explain it
April 7, 2024 at 8:50 PM
Just had the library 3d print up a cric trainer. Very cool teaching aid, and a sign of medical education to come.
March 12, 2024 at 5:47 PM
So when economists say we’re living in a very concentrated era….

www.axios.com/2023/12/08/a...
December 8, 2023 at 12:00 PM
For any grouping of hospitals we studied, abortion was almost never discussed on hospital websites compared to another common procedure performed by health systems, colonoscopy.
doi.org/10.7326/M23-1389
October 17, 2023 at 7:19 AM