Health Sciences

One in four Americans develops insomnia each year

About 25 percent of Americans experience acute insomnia each year, but about 75 percent of these individuals recover without developing persistent poor sleep or chronic insomnia.

Penn Today Staff , Greg Richter

Let the sunshine in

Our circadian rhythms need exposure to full spectrum natural light to stay in sync with the external environment. Limiting our access to natural lightwaves leaves our bodies out of balance.

Penn Today Staff



In the News


The New York Times

Clues to your health are hidden at 6.6 million spots in your DNA

Daniel Rader of the Perelman School of Medicine discussed the availability of genetic screening for early indicators of heart disease.

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Philadelphia Inquirer

New hepatitis C drugs mean diseased organs can be used for transplants

The Perelman School of Medicine’s Peter Reese discussed the possibility of increased rejection in patients who’ve received infected kidneys, saying “we can’t rule it out. It’s possible there’s more immunological injury with hep C infection.”

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Associated Press

Penn Medicine eliminating sugary drinks in facilities

Ralph Muller of Penn Medicine discussed the hospital system’s recent announcement regarding the phasing out of sugary drink sales.

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Philadelphia Inquirer

Hyperbaric oxygen: The mysterious therapy that saved a cancer survivor from radiation side effects

Hyperbaric therapy is controversial, according to Matthew Kelly of HUP, largely because “it’s expensive, and some practitioners overuse it, which gives a black eye to the field.” However, for some patients, the oxygen-rich environment can promote healing and fight infection.

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Philadelphia Inquirer

Cancer ‘drones’ in blood weaken immune system, Penn scientists show

Wei Guo of the School of Arts and Sciences and George Xu of the Perelman School of Medicine discussed their team’s cancer research. “Tumor cells are smarter than we thought,” said Guo.

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