Perelman School of Medicine

Penn: Mom’s Stress Alters Babies’ Gut and Brain through Vaginal Microbiome

Stress during the first trimester of pregnancy alters the population of microbes living in a mother’s vagina. Those changes are passed on to newborns during birth and are associated with differences in their gut microbiome as well as their brain development, according to a new study by University of Pennsylvania researchers.

Katherine Unger Baillie

High Levels of Moral Reasoning Correspond with Increased Gray Matter in Brain

Individuals with a higher level of moral reasoning skills showed increased gray matter in the areas of the brain implicated in complex social behavior, decision making, and conflict processing as compared to subjects at a lower level of moral reasoning, according to new research from the Perelman School of Medicine and the Wharton School of the University of Pennsylvania in collaboration with a researcher from Charité Universitätsmediz in Berlin, Germany. 

Lee-Ann Donegan

Penn Researchers Home in on What's Wearing Out T Cells

Sometimes even cells get tired. When the T cells of your immune system are forced to deal over time with cancer or a chronic infection such as HIV or hepatitis C, they can develop "T cell exhaustion," becoming less effective and losing their ability to attack and destroy the invaders of the body.

Karen Kreeger



In the News


Newsweek

Man does DNA test, not prepared for what comes back ‘unusually high’

César de la Fuente of the School of Engineering and Applied Science and Perelman School of Medicine says that Neanderthal DNA provides insights into human evolution, population dynamics, and genetic adaptations, including correlations with traits such as immunity and susceptibility to diseases.

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KFF Health News

Rural jails turn to community health workers to help the newly released succeed

According to Aditi Vasan of the Leonard Davis Institute and Perelman School of Medicine, evidence is mounting in favor of the model of training community health workers to help their neighbors connect to government and health care services.

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Everyday Health

What is food noise and how do you get rid of it?

According to Thomas Wadden of the Perelman School of Medicine, people taking GLP-1 drugs are finding that daily experiences that used to trigger a compulsion to eat or think about food no longer have that effect.

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The New Yorker

How to die in good health

PIK Professor Ezekiel Emanuel says that incessantly preparing for old age mistakes a long life for a worthwhile one.

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Philadelphia Inquirer

Mayor Parker’s plan to ‘remove the presence of drug users’ from Kensington raises new questions

Shoshana Aronowitz of the School of Nursing and Ashish Thakrar of the Perelman School of Medicine comment on the lack of specificity in Philadelphia’s plan to remove drug users from Kensington and on the current state of drug treatment in the city.

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