Health Sciences

Researchers from the Perelman School of Medicine at the University of Pennsylvania point out that the body mass index (BMI), based on the weight and height, is not an accurate measure of body fat content and does not account for critical factors that contribute to health or mortality, such as fat distribution, proportion of muscle to fat, and the sex and

A leading group of Alzheimer's researchers contends that, as biomarkers to detect signals of the disease improve at providing clinically meaningful information, researchers will need guidance on how to constructively disclose test results and track how disclosure impacts both patients and the data collected in research studies.

A rare, small RNA turns a gene-splicing machine into a switch that controls the expression of hundreds of human genes.

Differences in the utilization of intensive care services may be one potential explanation for improved outcomes after major surgery in the U.S.

Cancer metastasis requires tumor cells to acquire properties that allow them to escape from the primary tumor site, travel to a distant place in the body, and form secondary tumors.

At a soup kitchen in the basement of the St. Agatha-St. James Catholic Church, located at the edge of the University of Pennsylvania’s campus, May graduate Kyra Edson provides free health services to those in need.

When it comes to sleep, Penn Medicine researchers are finding out that some things really are black and white.

A new study led by University of Pennsylvania researchers involves a classic case of evolution’s fickle nature: a genetic mutation that protects against a potentially fatal infectious disease also appears to increase the risk of developing a chronic, debilitating condition.

The network of arteries supplying blood flow to the brain is more likely to be incomplete in people who suffer migraine, a new study by researchers in the Perelman School of Medicine at the University of Pennsylvania reports.

Humans are far more than merely the sum total of all the cells that form the organs and tissues.