Perelman School of Medicine

Tall people: Your hearts are at risk

The research team reveals a strong link between the genetic variants associated with height and one’s risk for arterial fibrillation, and is among the first to demonstrate that height may be a causal—not correlated—risk factor for the condition.

Penn Today Staff

Reprogramming ant ‘soldiers’

A Penn study reveals the epigenetic pathway that controls social behavior in carpenter ants, finding that the ants reprogram up to five days after they hatch, while reprogramming was ineffective at the 10-day mark.

Penn Today Staff

In the News

U.S. News & World Report

Antarctic study shows isolation, monotony may change the human brain

Alexander Stahn of the Perelman School of Medicine led a study that found a volume decrease in the hippocampi of explorers who spent 14 months at a research station in Antarctica. “It was an average of about 7%, which is really big in terms of brain changes,” he said.


The Washington Post

Do NAD-boosting supplements fight aging? Not according to current research

Joseph Baur of the Perelman School of Medicine said that while supplements claiming to increase NAD levels and improve longevity are unlikely to do harm, they’re ineffective when it comes to actually extending human life. “There have been several short-term clinical trials that have been mostly disappointing,” he said.


Men’s Health

Wait, is it safe to take cold medicine when you’re breastfeeding?

Anna Graseck of the Perelman School of Medicine said, “Over-the-counter cold medicines are generally safe for breast feeding moms,” but warned that anything containing the decongestants pseudoephedrine or phenylephrine can impact the milk supply.


Fast Company

How old are you really? Elysium Health will tell you—for $500

Joseph Baur of the Perelman School of Medicine said the startup Elysium Health’s claims that they can make cells behavior as though they were younger is “one of these things that is based mostly on benefits in mouse models. I think it’s a wide open question how beneficial this will ultimately turn out to be in humans.”


Veterans with PTSD struggle to parent, but help is available

Leah Blain of the Perelman School of Medicine spoke about the difficulties of parenting for veterans with PTSD. “That feeling being jumpy or on guard—you can imagine how that is going to translate with the kiddos. They have so much energy, which is wonderful, but it is a lot to process all the time if your symptoms are working all the time,” she said.