Following is a transcript of the video. Narrator: For some bug babies, your body is home sweet home. Human botfly larvae, for example, burrow under your skin, forming a pus-filled pimple.

"One way to stop the spread of diseases transmitted by insects is to make the blood of animals and humans toxic," according ...

The combined number of cells from microscopic organisms in the human body – such as bacteria ... You need most of these bugs to lead a healthy and happy life. Professor Brian Cox asks whether ...