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News

Substance Use Disorder

CHERISH Research Center’s Grant Is Renewed

Penn and Four Other Partners Focus on the Health Economics of Substance Use Disorder

By:
  • Hoag Levins
September 10, 2025

In The Media The New York Times

America Was Finally Turning a Corner on Opioids. Until Now.

Work Cited

Featured Fellow:
  • Zachary Meisel, MD, MPH
August 28, 2025
blue bar chart

Blog Post

Health Equity

Older Black Adults With Abdominal Pain Are Less Likely to Get Emergency Department Imaging

Chart of the Day: National Study Shows White Patients More Likely Than Black Patients to Get CT and/or Ultrasounds for Abdominal Pain in the Emergency Department

By:
  • Christine Weeks
August 20, 2025

Policy

Health Care Access & Coverage

Estimated Overdose Deaths Due to the One Big Beautiful Bill Act

Letter: Delivered to House Speaker Mike Johnson and Majority Leader John Thune

By:
  • Zachary Meisel, MD, MPH
July 3, 2025
New York City

Blog Post

Substance Use Disorder

Naloxone Access Improved in New York City in High Overdose Areas, But Gaps Remain Across the Five Boroughs

New Maps From LDI Researchers Show Progress in Locating Programs Where the Need Is Greatest

By:
  • Mackenzie Bolas
May 31, 2024

Blog Post

Substance Use Disorder

Opioid Crisis Is a Major Contributor to Maternal Mortality

Only 1 in 3 Pregnant or Postpartum People with Private Insurance Receive Needed Treatment

By:
  • Chris Tachibana, PhD, MS
February 15, 2024

Blog Post

Population Health

An Interactive Web Tool Boosts Use of Lung Cancer Screening

The Study of U.S. Veterans Is Part of a Larger Focus on Helping Patients Clarify Care Preferences

By:
  • Chris Tachibana, PhD, MS
September 26, 2023

Blog Post

Substance Use Disorder

Many State Medicaid Programs Still Require Prior Authorization for Buprenorphine Treatment for Opioid Use Disorder

Removing Barriers Could Improve Patient Outcomes

By:
  • Benicio Beatty
August 23, 2023

News

Population Health

New Co-Directors Named at Penn Injury Science Center

LDI Senior Fellows Catherine McDonald and Zachary Meisel Take the Helm

By:
  • Hoag Levins
December 5, 2022

Blog Post

Substance Use Disorder

Do Stories and Numbers Change How People Consider Opioid Pain Treatment in the Emergency Department?

A Randomized Controlled Trial of Visual Interventions

By:
  • Zachary Meisel, MD, MPH
February 14, 2022

News

Substance Use Disorder

Advancing Evidence-Based Substance Use Disorder Treatment Policies

Penn LDI/CHERISH Conference Explores State Licensure Trends in Medications for Opioid Use Disorder

By:
  • Hoag Levins
February 1, 2022
Grey skyline with stethescope

Blog Post

COVID Watch Saved Lives

New Automated Texting Program Helped Patients Get Treatment Faster

By:
  • Mucio Kit Delgado, MD, MS
  • Anna Morgan, MD, MSHP
  • Krisda Chaiyachati, MD, MPH, MSHP
December 8, 2021

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    • Fellow Directory
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    • Research Training Programs
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