January 9, 2019

How do we get sick from viruses?

Most viruses are frail little things (unlike bacteria and fungi, viruses aren’t even alive) that can multiply only inside a living host (including animals, plants, and […]
January 9, 2019

How do we get sick from fungi?

Fungi are microscopic molds, yeasts, and other plantlike pathogens that thrive in wet, warm places like our armpits, our belly buttons, and the dank spaces between […]
January 9, 2019

How do we get sick from parasites?

This ghastly germ group includes itty-bitty insert larvae, amoebas, and one-celled organisms called protozoa that live in nasty food, damp soil, or dirty water. Parasites depend […]
January 9, 2019

How do we get sick from bacteria?

Unlike viruses, bacteria are living single-celled organisms that can reproduce both outside and inside the body. Like all living things, bacteria create waste – microscopic poops […]