Health & Science

The first results from an in-depth investigation of long COVID produced provocative results. Researchers don't understand the mechanism behind the lingering symptoms.

How do we come to terms with the threat of Covid? Can we return to normal life? Also, what you need to know about the monkeypox outbreak?

In some places, nights are warming faster than days thanks to climate change.

And now, scientists believe there's a correlation between hotter weather and poorer sleep.

The risk posed to the U.S. general public from ongoing outbreaks of monkeypox cases reported in Europe, the U.K. and Canada is low.

Pfizer plans to submit the new data to the Food and Drug Administration this week, bringing families with young children one step closer to a long-awaited vaccine.

Crozer’s troubles go back to a business deal that was initiated in 2019 — one that Pennsylvania officials were warned about, but had little power to stop.

“Health is wealth,” one walker said. “We have to save our own communities.”

The unidentified patient is isolating and treating the case as positive while awaiting final confirmation by the Centers for Disease Control.

Crozer has promised officials it will temporarily stop the closure of the behavioral health services at Delaware County Memorial and Crozer-Chester as a gesture of good faith.

Groups that provide abortion pills are preparing to face significant new obstacles, as anti-abortion states push back against expanded online access.

Skydiving, BASE jumping, climbing the highest peaks, adventuring to remote parts of the world — pushing the boundaries of safety. For t ...

The daredevil known as “Mad Mike” Hughes died in a rocket crash in 2020. He was an amateur rocket builder on a quest to prove that the Earth is flat.

Penn Medicine has expanded its telehealth program to increase access to medication that helps people stop using opioids.

If the CDC agrees as expected, it would open a third COVID-19 shot to healthy elementary-age kids, just like what is already recommended for everybody 12 and older.

The count of pediatric cases under investigation has grown since the agency's last update, but most of the increase represents previous cases that are just now being reported.