A few useful links relating to health, subvertising, and news with suggestions for further reading
World Health Organisation (WHO)
"Subvertising refers to the practice of making spoofs or parodies of corporate and political advertisements in order to make a statement."
MTCP, The 'unofficially official' repository of all things Mark Thomas
Adbusters Culture Jammers Headquarters
'No Logo' by Naomi Klein
In No Logo, Klein patiently demonstrates, step by step, how brands have become ubiquitous, not just in media and on the street but increasingly in the schools as well. The global companies claim to support diversity but their version of "corporate multiculturalism" is merely intended to create more buying options for consumers. (From http://www.amazon.co.uk)
Official 'No Logo' website: http://www.nologo.org