Penn Researchers Design Variant of Main Painkiller Receptor
Opioids, such as morphine, are still the most effective class of painkillers, but they come with unwanted side effects and can also be addictive and deadly at high doses.

Penn Researchers Pinpoint How Smoking Causes Osteoporosis
Human bone breaks down and regenerates naturally all the time, in a perfectly balanced dance that maintains skeletal integrity. As people age, bone tends to deteriorate faster, causing osteoporosis and other disorders. Smoking artificially accelerates bone degeneration as well.

Penn Study: Staging System in ALS Shows Potential Tracks of Disease Progression
The motor neuron disease Amyotrophic lateral sclerosis (ALS), also known as Lou Gehrig's Disease, progresses in a stepwise, sequential pattern which can be classified into four distinct stages, report pathologists with the Perelman School of Medicine at the University of Pennsylvania in the Annals of Neurology.
Penn in the News
Jonah Berger of the Wharton School comments on consumers recognizing marketing gimmicks.
Ellen Freeman of the Perelman School of Medicine comments on women having hot flashes.
Lynn Wu of the Wharton School discusses worker productivity.
Rexford Ahima of the Perelman School of Medicine says, “As things stand now, primary care physicians tend to look at obesity as a behavior problem.”
Garret FitzGerald of the Perelman School of Medicine is quoted about pain relievers.











