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Greening vacant lots reduces depression in city dwellers
Criminologist John MacDonald and emergency medicine physician Eugenia South of the University of Pennsylvania.

In the latest round of research on the effects of greening vacant lots, criminologist John MacDonald and emergency medicine physician Eugenia South found that people living within a quarter mile of greened lots had a 41.5 percent decrease in feelings of depression and a nearly 63 percent decrease in self-reported “poor mental health” compared to those who lived near the lots that received no intervention.

Greening vacant lots reduces depression in city dwellers

People living within a quarter mile of greened lots had a 41.5 percent decrease in feelings of depression and a nearly 63 percent decrease in self-reported “poor mental health,” compared to those who lived near the lots that received no intervention.

Katie Delach , Michele W. Berger

The changing landscape of mosquito- and tick-borne diseases
James Lok, Penn Vet

Parasitology professor James Lok’s studies of the development and basic biology of parasites, particularly the roundworm Strongyloides, have implications for finding new drug candidates. Veterinary schools have traditionally been strongholds of parasitology research, and Penn Vet is no exception. (Image: Eric Sucar)

The changing landscape of mosquito- and tick-borne diseases

Lyme disease, West Nile virus, Zika, chikungunya, and dengue are among the vector-borne infections making headlines. Penn researchers shed light on what’s behind the spread and how to stay safe.

Katherine Unger Baillie

With free vaccinations, ChildProtect program helps Amish communities stay healthy
ChildProtect 1

A child receives a vaccination as part of Lancaster General Health’s ChildProtect program. To date, the program has offered free vaccinations to more than 70,000 children, many of whom are members of Amish communities. (Photo: Peggy Peterson Photography)

With free vaccinations, ChildProtect program helps Amish communities stay healthy

When an outbreak of rubella struck the Amish in Pennsylvania in 1991, Lancaster General Hospital responded with a rapid vaccination campaign. The program endured, and continues to offer preventive health services to hundreds of children each year.

Katherine Unger Baillie

Ice cream conundrum
Ice cream conundrum

Ice cream conundrum

The refreshing delight of ice cream on a hot summer day has its dangers: tooth sensitivity and the familiar feeling of “brain freeze.” Scientists break down the causes of the discomfort we are so willing to endure.

Jacob Williamson-Rea

Philly as lab, classroom, and collaborator
Sayre Health Clinic

Philly as lab, classroom, and collaborator

Philadelphia’s rich history and forward momentum make it ripe for scientific inquiry for a number of Penn schools and departments, from urban and population studies to medicine and anthropology.

Michele W. Berger

Penn One Health goes abroad
James Ferrara

James Ferrara will lead an interdisciplinary team of Penn students to Kathmandu, Nepal this summer to study a bacteria called Campylobacter.

Penn One Health goes abroad

In August, Penn Vet student James Ferrara will combine veterinary research and public health outreach in Nepal, where he will join a team of graduate students conducting research on Campylobacter, a bacteria found in unpasteurized milk, that is prone to cause infection.

Jacob Williamson-Rea

Proteins found in semen increase the spread of Ebola virus infection
ebola

Proteins found in semen increase the spread of Ebola virus infection

Areas that were declared Ebola-free are seeing a resurgence in the virus. Researchers have discovered that men can harbor the virus in their semen up to two and a half years, leading to new cases of sexual transmission years later.

Penn Today Staff

Brain stimulation decreases intent to commit assault
Roy Hamilton of Penn Medicine was part of a research team that looked at whether a minimally invasive brain stimulation can reduce someone's intent to commit a violent crime.

Roy Hamilton of Penn Medicine (left) was part of a research team that studied whether a minimally invasive brain stimulation, similar to what he’s demonstrating in this photo, can reduce someone’s intent to commit a violent crime.

Brain stimulation decreases intent to commit assault

Research from Penn Medicine and the Criminology department shows that using minimally invasive electrical currents on the prefrontal cortex can reduce the desire to carry out such violence and increase the perception that it’s morally wrong.

Michele W. Berger