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


Huffington Post

Thirteen subtle changes veterinarians would never ignore in their cats

Kaitlyn Krebs of the School of Veterinary Medicine says that cats can indicate illness through behavioral changes such as hiding or spending time in unusual places.

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Times of India

Drinking two beers daily ages the brain by 10 years; study reveals surprising findings

A study by Penn researchers found that one to two units of alcohol per day shrunk overall brain volume and gray matter volumes. 

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Irish News

Seven unusual sleep hacks to help you drift off peacefully—we speak to a sleep expert about how to get a good night’s rest

A study from the Perelman School of Medicine found that participants who practiced paradoxical intention experienced significantly reduced sleep anxiety.

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Yahoo! Life

More yogurt and nuts, less alcohol and snack foods: How GLP-1 medications like Ozempic are influencing people’s food spending habits

Carrie Burns of the Perelman School of Medicine says that weight-loss medications tend to decrease cravings for foods high in sugar and fat.

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WESA Radio (Pittsburgh)

Migratory birds mainly responsible for bird flu outbreak, experts tell Pa. lawmakers

Louise Moncla of the School of Veterinary Medicine says that avian flu viruses are being spread far geographically because of wild migratory birds.

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