Another brilliant study

Boston -- A study of low-income housing residents has documented that the more television people say they watched, the less active they were, researchers from Dana-Farber Cancer Institute and colleagues report.

What genius came up with this? I don't have a medical degree, but I could have figured this out without a fancy study. Do any of them know the definition of a couch potato?
In other news, we still don't have a cure for cancer.