Mark's condition remains unexplained and the family tries to cope.

"The Busses are Humming" is the second episode in our series: Invisible Injury - a dissection of one man's brain injury.

This episode contains some swearing. If you prefer a beeper version click here: Beeped version

Artwork Credit: isarisariver https://www.flickr.com/photos/lescientist/8430282209, under Creative Commons licence: https://creativecommons.org/licenses/by-nc-sa/2.0/legalcode

Music Credits:
"Pale Rider" and "Lightless Dawn" by Kevin MacLeod (incompetech.com) Licensed under Creative Commons: By Attribution 3.0 http://creativecommons.org/licenses/by/3.0/
"Intro" and "Bleaky" by Phil Okerstrom
"Ahab#01" and "Put up with it" by Phil Okerstrom and Damian Mason
"Reflective" by Tristan Noon