CADDAC stands for Centre for ADHD Aawareness.Canada.  Their main website is located here

Many of these videos I link to on this blog come from their website.  Here is a quick direct link to some of their videos.

ADHD Videos
CADDAC has many good presentations from multiple expert speakers, check out their website.

You can also support them by buying their produced DVDs and CDs about ADHD here [Link to the PDF order form, you then FAX this to them]
Blog Pages and Posts that Involve CADDAC