Health Sciences

Before Retinal Cells Die, They Regenerate, Penn Vet Blindness Study Finds

Until relatively recently, the dogma in neuroscience was that neurons, including the eye’s photoreceptor cells, rods and cones, do not regenerate. This is the reason that nerve damage is thought to be so grave. More recent studies have poked holes in this belief by showing that, in some vertebrate species, neurons can be stimulated to divide.

Katherine Unger Baillie



In the News


Slate.com

What’s going on with tranq?

Jeanmarie Perron of the Perelman School of Medicine says that the appearance and progression of skin ulcers and tissue loss on xylazine users is different than with other intravenous drugs.

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The Hill

It’s time to end the Medicare-Medicaid merry-go-round

In an opinion essay, Rachel M. Werner of the Leonard Davis Institute, Wharton School, and Perelman School of Medicine says that Medicare and Medicaid fail to integrate coverage and coordinate care across their two plans.

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The Wall Street Journal

The quest for treatments to keep weight off after Ozempic

Researchers at Penn are conducting a co-authored study of the brains, fat and muscle cells, and eating patterns of people trying to maintain new body sizes.

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Philadelphia Inquirer

Inside Penn’s transfer center

Penn Medicine’s transfer command center gets patients from affiliated hospitals and hospitals outside Philadelphia to specialized care that can save lives, with comments from CEO Kevin Mahoney.

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Philadelphia Inquirer

Operating rooms are major sources of greenhouse gasses. Penn is eliminating a form of anesthesia that hangs in the air for more than a decade after use

Penn Medicine is phasing out the anesthesia desflurane at four of its six hospitals to eliminate harmful greenhouse gases, with remarks from Greg Evans.

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