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.

At a time of year when many are spring cleaning homes, here’s advice from experts: Protect your house’s microbiome for your health. The world around us, including our homes, is full of microorganisms ...

An electron microscope image showing clumps of Streptococcus mutans, strains of which are the dominant cavity-causing bacteria in humans. The bacteria form clumps after producing and secreting a ...

WASHINGTON - Some scientists think they have figured out the real job of the troublesome and seemingly useless appendix: It produces and protects good germs for your gut.