Health

PHILADELPHIA — Over a matter of weeks, Tracey McCann watched in horror as the bruises she was accustomed to getting from injecting fentanyl began hardening into an armor of crusty, blackened tissue....

The accidental consumption of marijuana edibles, such as brownies and gummies, among children under the age of 6 has surged in recent years as more states have legalized the recreational use of...

The concern is whether, during those long minutes before Mr. Hamlin’s heart rhythm returned, when his heart was not pumping normally, a lack of blood damaged his brain, heart experts said. If...

The certification programs are open to anyone with a high school diploma who has passed a background check. Licensure is limited to Oregon residents until 2025. But the Fluence program largely chose...

In 1938, researchers at Harvard set out to learn what makes a person thrive.They recruited 724 participants, a combination of students at Harvard College and low-income teenage boys in Boston. All were...

JENNINGS, Mo. — Brittnee Marsaw was born to a 15-year-old mother in St. Louis and raised by a grandmother who had given birth even younger. Half grown by the time her mother...

As Covid barrels through China, scientists around the world are searching for clues about an outbreak with sprawling consequences — for the health of hundreds of millions of Chinese people, the global...

The F.D.A.’s own internal inquiry said there was “no evidence” its interactions with Biogen were “anything but appropriate,” given the data’s complexity and the importance of Alzheimer’s, but it issued four recommendations...

WASHINGTON — The walls in Dr. Anthony S. Fauci’s home office are adorned with portraits of him, drawn and painted by some of his many fans. The most striking one is by...

Over hundreds of thousands of years of evolution, the human shoulder has undergone dramatic changes to make it more versatile — allowing our arms to reach over our heads, behind our backs...