Overview
Wikipedia
A good overview of the debate and the different stands on the issue.
http://en.wikipedia.org/wiki/Fat_tax
For a Junk Tax
CBC
Nutritionists support Fat Tax Food to stem diabetes epidemic. It's a very interesting article.
http://www.cbc.ca/health/story/2002/10/04/diabetes021004.html
CTV
An interesting Canadian article about why a sociologist wants a junk food tax.
http://www.ctv.ca/servlet/ArticleNews/story/CTVNews/20060221/junk_good_tax_060221?s_name=&no_ads=
Knights Ridders Newspaper
It is a very short article offering various statistics supporting a fat food tax.
http://www.forces.org/articles/files/fat4.htm
Helium
An excellent resource, if you browse a little bit you will find many arguments for Junk Food Taxation. It also offers arguments against.
Against a Junk Tax
Seek Wellness
An extensive article against taxation of fat food.
http://www.seekwellness.com/wellness/reports/2003-06-26.htm
Youth Canada
A government article arguing that fat tax would cause more problems than it would solve.
http://www.youth.gc.ca/yoaux.jsp?ta=1&lang=en&auxpageid=67&flash=0
Canadian Taxpayer Federation
A Canadian article arguing against a fat food tax in Canada.
http://www.taxpayer.com/main/news.php?news_id=2164
The Fraser Institute
An article arguing that there are better ways to promote health than taxing food.
http://www.fraserinstitute.org/Commerce.web/article_details.aspx?pubID=3625