Bacteria are a kind of germ. They're so tiny that you can't see them with just your eyes, but there are thousands, millions, even billions of them all over you, inside and out! This might sound kind ...

They can invade plants, animals, and people, and sometimes they can make us sick. The four major types of germs are: Bacteria (say: bak-TEER-ee-uh): These tiny, one-celled creatures get nutrients from ...

Your gut microbiome can trigger an immune response, leading to chronic systemic inflammation and lupus. Here are some tips to ...

“We’ve been using feces for quite a long time now because they’re very easy to get, but what we know about microbial ecology is it’s all about location—where the microbes are in the interface of the ...