Karl Hille

Karl Hille writes about medicine and science for The Sun. Contact him at khille@baltsun.com.

A new solution made from hair could strengthen teeth better than fluoride, researchers found. (AP file photo)

Ingredient from hair strengthens teeth, study found

November 11, 2025 at 4:25 p.m.

Researchers from King's College London found that a water-based solution including the protein keratin, found in hair and skin, can repair and protect tooth enamel, forming a mineralized layer that...

The University of Maryland Medical Center puts on green lights to honor the veterans who care for patients and keep the hospital running. ( Karl Hille / Sun Staff)

Veteran’s combat experience elevates pediatric ER care

November 11, 2025 at 4:15 p.m.

As part of a class called "Winter is coming" at the children's hospital, nurses put on oxygen masks for 5 minutes as respiratory therapists adjusted the fit and pressure. Some...

U.S. Army Sgt. 1st Class, Luke Newman 1996-2016 Iraq, left, was celebrated by his daughter, Natalie Neary, a senior, center-left and U.S. Army Patrick Black 1986-1989 Germany, was celebrated by his daughter, Gabrielle, a sophomore, center-right. South Carroll High School's chapter of the National Honor Society hosted its Annual Veterans Day Breakfast on Friday. (Jeffrey F. Bill/Staff)

On Veterans Day, celebrate and support veterans

November 11, 2025 at 3:45 p.m.

"We have a lot of veterans who are homeless or who we know have struggled with mental illness. When those challenges come up, there's nothing wrong with asking for help...

A nurse holds a newborn baby at Greater Baltimore Medical Center, where recent improvements have reduced the number of mothers suffering life-threatening complications after giving birth. (Credit Tyler Scheff / GBMC HealthCare)

GBMC improves new moms’ health, removes racial disparity

November 10, 2025 at 4:14 p.m.

Clinicians at Greater Baltimore Medical Center in Towson successfully reduced the number of mothers who suffered postpartum bleeding from 7.6% to 2.75%, while eliminating a racial disparity in this life-threatening...

A row of pictures commemorates Marylanders who lost their lives to traffic accidents in the 2024 Maryland Remembers ceremony in Annapolis. Registration is open for this year's ceremony on Nov. 16. (Photo Courtesy Maryland Highway Safety Office)

Maryland Remembers loved ones killed in auto crashes

November 10, 2025 at 5:05 p.m.

The 22nd annual Maryland Remembers ceremony in Annapolis this Sunday, November 16, commemorates the more than 500 lives lost in preventable crashes last year, as well as loved ones killed...

Maryland may ease access to psychedelic drugs

November 7, 2025 at 5:40 p.m.

Maryland residents may someday be able to legally use certain natural psychedelic drugs if the legislature takes action on a report delivered this week.

Calvert Cliffs Clean Energy Center unit 2 reactor, left, and the steam generation building, right. A tour of the Calvert Cliffs Clean Energy Center nuclear power plant in Lusby, Maryland. (Paul W. Gillespie/Staff)

Why are Maryland power bills spiking? Is AI to blame?

November 7, 2025 at 6:07 p.m.

Marylanders are paying more to keep the lights on as the state grapples with rising energy demand from data centers.

Health care premiums are about to skyrocket in January. (AP Photo/J. Scott Applewhite)

Health care price hike frustrates Maryland enrollees

November 7, 2025 at 2:44 p.m.

In Maryland, 274,000 people purchased insurance through the Maryland Health Exchange this year, paying an average of $450 a year, with 2% to 6% increases in their premiums each of...

Dr. Nestoras Mathioudakis, associate professor of endocrinology at the Johns Hopkins University School of Medicine. (Courtesy Johns Hopkins Medicine)

AI-powered coach as effective as a human in preventing diabetes

November 6, 2025 at 4:39 p.m.

Patients who received AI-based coaching from an app on their phone or wearable device reduced their risk of developing diabetes as much as those experiencing a traditional, in-person coaching regimen.

Apps like OpenAI's ChatGPT have boosted awareness of artificial intelligence, but a recent poll shows Maryland residents are concerned about AI's threats to society.(AP Photo/Peter Morgan, File)

Marylanders view AI as a threat and danger to society, poll shows

November 6, 2025 at 6:28 a.m.

While Marylanders differ sharply by race, gender and political party in how they view artificial intelligence, a new University of Maryland, Baltimore County poll finds one striking point of agreement:...

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