Perelman School of Medicine

A new study from researchers at the Perelman School of Medicine at the University of Pennsylvania suggests that marijuana use may be associated with impaired sleep quality, especially in people who have been using the drug since their teenage years.

A new study by researchers at Penn Medicine is the first to reveal that suicides are far more likely to occur between midnight and 4 a.m. than during the daytime or evening. The research abstract was published recently in an online supplement of the journal Sleep and will be presented at SLEEP 2014, the 28th annual meeting of the Associated Professional Sleep Societies LLC.

Teenage girls with a familial or genetic risk for breast cancer worry more about getting the disease, even when their mother has no history, compared to girls their age with no known high risks, according to new data presented today by researchers from Penn Medicine’s Abramson Cancer Center at the annual

The majority of women with cancer causing BRCA1 and BRCA2 mutations experience sexual dysfunction, menopausal symptoms, cognitive and stress issues, and poor sleep following prophylactic removal of their Fallopian tubes and ovaries - a procedure known as risk-reducing salpingo-oophorectomy (RRSO) - according to results of a new study from the Abramson Canc

It’s almost axiomatic that misfolded proteins compromise how cells normally function and cause debilitating human disease, but how these proteins are detected and degraded within the body is not well understood.

Clinical practice guideline recommendations related to screening and treatment can change markedly over time as new evidence about best practices and clinical outcomes of various treatments emerges.

Puberty is the defining process of adolescent development, beginning a cascade of changes throughout the body, including the brain.

The Penn Medicine Center for Health Care Innovation will fund three new initiatives in the second round of its  Innovation Grant Program. The program encourages Penn employees and students to submit their ideas for advancing health and health care delivery.

In the largest group of results to date, researchers from Penn Medicine’s Abramson Cancer Center and other institutions have shown in clinical trials that the malaria drug hydroxychloroquine (HCQ) blocked autophagy in a host of aggressive cancers—glioblastoma, melanoma, lymphoma and myeloma, renal and colon cancers—and in some cases helped stabilize disea

Nearly half of all adults in the United States suffer from the gum disease periodontitis, and 8.5 percent have a severe form that can raise the risk of heart disease, diabetes, arthritis and pregnancy complications.