Gastrointestinal illnesses on cruise ships hit a 12-year high in 2024, and 2025 has been even worse, with cruise lines seeing an entire year's worth of outbreaks in only the first quarter of the year.

Germ theory is the idea that pathogens can invade the human body and cause disease — and it wasn't always accepted. Evidence for germ theory accumulated over time, and as it did, it butted against ...

In recent months, the U.S. government has taken steps to defund and dismantle key infectious disease programs, including a National Institutes of Health lab that has contributed to groundbreaking work ...

A new study about the long-term benefits of everyday germs may have parents thinking twice before slathering their kids with antibacterial soap. Researchers at Northwestern University found that ...

Some health experts believe the controversial claims made by U.S. Health and Human Services Secretary Robert F. Kennedy Jr. might be due to an obsolete medical theory. Known as miasma theory, this ...

When you don’t believe in germ theory, the world is your oyster—or maybe your bathtub. Over the weekend, America’s top health official, Robert F. Kennedy Jr., shared pictures on social media of ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. To mark our 150th year, we’re revisiting the Popular Science ...

Listen up, sheeple: COVID-19 doesn’t exist. Viruses don’t cause disease, and they aren’t contagious. Those doctors and health experts who say otherwise don’t know what they’re talking about; the real ...

I wanted to report this story last month, but I was too sick with COVID. My kid gave it to me. My colleagues on the health reporting team would have tackled the story, but they've been sick, too, ...

Renaissance Italy was full of new ideas; cultural and economic rebirth; and artistic fervor, and it produced some of the most notable scientific work Europe had seen for centuries. It was also a time ...