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Brief

Population Health

How to Lower Maternal and Child Deaths Across the World? Give Low-Income Families Cash. 

Research Brief: Cash Transfer Programs Improve Birth, Nutrition, and Early Childhood Health Outcomes

By:
  • Chris Tachibana, PhD, MS
March 4, 2026
Six $100 bills on a teal background with a stethoscope resting on top.

In Their Own Words

What Makes Cash Transfer Programs Work?

LDI Experts Point to Four Conditions Grounded in Global Evidence

By:
  • Aaron Richterman, MD, MPH
  • Harsha Thirumurthy, PhD
February 28, 2026
An older adult walking with a younger adult looking at his smart watch.

Blog Post

Paying for Healthy Choices

Evidence From More Than 600 Studies Reveals When Financial Incentives Move the Needle—And When They Don’t

By:
  • Julia Hinckley, JD
February 25, 2026
Shopping bag full of fresh vegetables and fruits.

Blog Post

Understanding the Evidence: SNAP and Health

Six Studies That Highlight How Losing SNAP Can Raise Food Insecurity and Affect Health

By:
  • Julia Hinckley, JD
November 5, 2025

In The Media The New York Times

A New Way to Reduce Children’s Deaths: Cash

Interview

Featured Fellow:
  • Harsha Thirumurthy, PhD
August 18, 2025

Brief

Population Health

Simple Visual Aids Raise Awareness and Knowledge About HIV Treatment

Research Brief: Bead-Filled Bottles May Change Attitudes and Help Prevent HIV Transmission, LDI Fellows Show in Philadelphia Studies

By:
  • Chris Tachibana, PhD, MS
March 26, 2025

News

Improving Care for Older Adults

Photo Report from the Population Aging Research Center 2024 Retreat

Defining the Health and Health Care Problems and Prospects of Aging Americans

By:
  • Hoag Levins
May 9, 2024
Penn LDI Insights on Policy Graphic

Policy

Population Health

New Evidence for Farm Bill Reauthorization

Briefing: Presented to Staff of Rep. GT Thompson (R-PA)

By:
  • Aaron Richterman, MD, MPH
  • Christina Roberto, PhD
  • Harsha Thirumurthy, PhD
November 28, 2023

In Their Own Words

Population Health

American Families Need SNAP Benefits More Now Than Ever

By:
  • Aaron Richterman, MD, MPH
  • Christina Roberto, PhD
  • Harsha Thirumurthy, PhD
September 6, 2023

Blog Post

Health Equity

Cash Transfer Programs Are Growing More Common in the U.S. As Studies Show They Improve People’s Health 

But the Public Remains Skeptical and Policymakers Have Been Leery to Launch Big Efforts 

By:
  • Nancy Stedman
August 30, 2023

In The Media The Hill

American Families Need Snap Benefits More Now Than Ever

Authors

Featured Fellows:
  • Aaron Richterman, MD, MPH
  • Christina Roberto, PhD
  • Harsha Thirumurthy, PhD
August 26, 2023

In The Media Philadelphia Inquirer

Covid-19 Showed the Benefits of At-home Testing. A New Partnership Is Expanding Access to HIV Testing Kits

Interview

Featured Fellow:
  • Harsha Thirumurthy, PhD
September 12, 2022

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    • Fellow Directory
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