Microbes that reside peaceably in the nasal passageways and on the skin can be harnessed for taking drugs to target cells.

Odours are first captured by special olfactory nerve cells inside your nose. These cells extend upwards from the roof of your nose towards the smell-processing centre of your brain, called the ...

It also supplies nerves to the part of the mucous membrane of the nasal cavity and to the skin of the eyelids, eyebrows, ...