October 16, 2026

Jackie Jahn, PhD, an assistant professor in the Dornsife School of Public Health, authored an Oct. 16 column for The Conversation about health risks inside Pennsylvania’s state prisons.

"I am an epidemiologist who studies the health of incarcerated people," writes Jahn. "My colleagues and I put numbers to these [outdoor temperature] warnings in a recent study. We found that extreme hot and cold temperatures were associated with higher rates of deaths, infirmary admissions and transfers to external medical facilities among imprisoned people in Pennsylvania over the past 20 years."

Link to article