Should you kick off your shoes — for hygiene reasons — when you enter someone’s home? Here’s what experts say.

The common cold and diseases like influenza are caused by germs called viruses. These germs are infectious and can stay on surfaces and make you sick if they enter your body. How long they can "live" ...

Hold your nose — and maybe hold off on that beach day. More than 60% of U.S. beaches tested in 2024 had at least one day where the water was so full of fecal bacteria that it failed federal safety ...

Even if you clean your kitchen every week, there's still one spot that you may be missing. It's small but touched often, so ...

An illustration of plaques in an artery. These deposits of cholesterol may also contain bacteria that can raise our risk of heart attack. © Bokeh Stock via ...