A link between TV watching and ADD

Alright now, I'm certainly no expert but I just knew there had to be a link between the television and ADD. Here's a quote from the article I found:

Studies show ADHD increased with the introduction of children’s television in the 1950s and then spiked higher in the mid 1980s when VCRs and home video became commonplace. Although the condition is known to be genetic, scientists have noted its rapid spread throughout every social class of children, and guessed that there could be an environmental cause. TV watching is a cause, this study shows.

Read the whole thing here...