Most people appreciate that not getting enough sleep impairs cognitive performance. For the chronically sleep-deprived such as shift workers, students, or truckers, a common strategy is simply to catch up on missed slumber on the weekends. According to common wisdom, catch up sleep repays one's "sleep debt," with no lasting effects.
Perelman School of Medicine
Sigrid Veasey of the Perelman School of Medicine says, “We now have evidence that sleep loss can lead to irreversible injury.”
A new study led by researchers at the Perelman School of Medicine at the University of Pennsylvania has found that the risk of hepatitis C-associated serious liver disease persists in HIV patients otherwise benefitting from antiretroviral therapy (ART) to treat HIV.
Neil Fishman of the Perelman School of Medicine explains Matrix Assisted Laser Desorption Ionization – Time of Flight.
Ben Stanger of the Perelman School of Medicine is quoted about researching how to make insulin-producing cells from gut cells.
Mathias Basner, David Dinges and Ruben Gur of the Perelman School of Medicine are highlighted for examining cognitive impact of space flight as a part of NASA’s twin astronaut study.
Sarah Tishkoff of the Perelman School of Medicine and the School of Arts and Sciences and postdoc student Alessia Ranciaro are featured for their research that ties Africans’ lactose tolerance to the spread of cattle raising.
Research led by Caryn Lerman of the Perelman School of Medicine is highlighted.
Babies are born with the ability to digest lactose, the sugar found in milk, but most humans lose this ability after infancy because of declining levels of the lactose-digesting enzyme lactase.