Darius Tahir - KFF Health News

The cyberattack on a unit of UnitedHealth Group’s Optum division is the worst on the health care industry in U.S. history, hospitals say. Providers struggling to get paid for care say the response by the insurer and the Biden administration has been inadequate.

Change Healthcare, a firm recently bought by UnitedHealth Group, reportedly suffered a cyberattack. The company processes 14 billion transactions annually, including payments and requests for insurance authorizations.

Lawmakers and regulators are trying to understand how AI is changing health care and how it should be regulated. The industry fears overreach.

Even as the COVID-19 pandemic wanes, litigation — whether about vaccines, masks, or a range of other public health policies made during the pandemic — isn’t about to end.

Giant corporations like Microsoft and Google, plus many startups, are eyeing health care profits from programs based on artificial intelligence.

Online platforms are overflowing with testimonials for GLP-1s. The drugs show promise for inducing weight loss, but many aren’t FDA-approved for that use.

The billionaire entrepreneur, Dallas Mavericks owner and "Shark Tank" star is making waves with his new drug company. But his generics aren’t always the lowest-priced deal.

For contact tracers of sexually transmitted infections, telephones and text messages have become ineffective. Dating apps increasingly are their best bet for informing people of their exposure risks.

A new wave of obesity care startups offer access to new weight loss medications. But do they offer good health care?

Veterans Affairs’ electronic health records aren’t friendly to blind- and low-vision users, whether they’re patients or employees. It’s a microcosm of America’s health care system.