Obesity is a risk factor for many health problems, but a new Penn Medicine study published this month in the journal Sleep suggests having a larger tongue
Perelman School of Medicine
It’s an early lesson in genetics: we get half our DNA from Mom, half from Dad.
But that straightforward explanation does not account for a process that sometimes occurs when cells divide. Called gene conversion, the copy of a gene from Mom can replace the one from Dad, or vice versa, making the two copies identical.
Francis Marchlinski and David Frankel of the Perelman School
Maintaining the ends of chromosomes, called telomeres, is a requisite feature of cells that are able to continuously divide and also a hallmark of human cancer.
Murray Grossman of the Perelman School of Medicine explains frontotemporal dementia.
Peter O’Dwyer of the Perelman School of Medicine talks about testing vitamin D injections in addition to aggressive che