Perelman School of Medicine

Fixing up abandoned buildings in the inner city doesn’t just eliminate eyesores, it can also significantly reduce crime and violence, including gun assaults, researchers from the University of Pennsylvania and Penn’s Perelman School of Medicine report in the first study to demonstrate the direct impact of building remediation efforts on crime.

Many people believe that phase I trials with healthy volunteers are very risky and because they pose risks with no benefits, unethical. But how risky are such trials?

Average out-of-pocket spending for oral contraceptive pills and the intrauterine device (IUD), the two most common forms of contraception for women, has decreased significantly since the Affordable Care Act (ACA) took effect.

Lyme disease cases are on the rise, with diagnoses occurring in areas that were historically Lyme-free. Scientists attribute the spread to the fact that populations of blacklegged ticks, which carry the bacteria that causes the disease, now flourish in areas once thought to be devoid of ticks.

In the first study of its kind, Penn researchers have shown how an anti-diabetic drug can have variable effects depending on small natural differences in DNA sequence between individuals.

By Sarah Welsh Nature versus nurture is an age-old question in biology, centering on whether a given trait is determined by an organism’s genes or by its environment. Most times the answer is “both,” but research at the University of Pennsylvania has found one trait in particular that is not easily described by either.

In the first study of its kind, Penn researchers have shown how an anti-diabetic drug can have variable effects depending on small natural differences in DNA sequence between individuals.

In the most severe form of male infertility, men do not make any measurable levels of sperm. This condition, called azoospermia, affects approximately 1 percent of the male population and is responsible for about a sixth of cases of male infertility.

Investigators at a new University of Pennsylvania research center will focus on key physical principles that underpin cancer’s development and growth.

Judith Green-McKenzie, MD, MPH, an associate professor of Emergency Medicine and chief of the division of Occupational Medicine at the Perelman School of Medicine at the University of Pennsylvania, was awarded the 2015 Kehoe Lifetime Achievement Award for Excellence in Education or Researcher from the American College of Occupational and Envir