The government’s position amounts to an argument that the mere fact of an individual’s existence substantially affects interstate commerce, and therefore Congress may regulate them at every point of their life. This theory affords no limiting principles in which to confine Congress’s enumerated power….The federal government’s assertion of power, under the Commerce Clause, to issue an economic mandate for Americans to purchase insurance from a private company for the entire duration of their lives is unprecedented, lacks cognizable limits, and imperils our federalist structure.
More from Heritage: A Stunning Victory for the Constitution over Obamacare "The carefully worded and thorough (over 300 page) set of opinions may be a bit mind-numbing for the uninitiated, but they are a joy to read for those of us who think the words of the Constitution actually mean something beyond whatever an activist Congress, President, and pliant judge want them to mean."
Distinguishing Wickard "Another interesting portion of the Eleventh Circuit’s decision striking down the individual mandate is its discussion of Wickard v. Filburn. As the court’s opinion notes, the Supreme Court (in Lopez) characterized Wickard as “perhaps the most far reaching example of Commerce Clause authority over intrastate activity.” As a consequence, the Eleventh Circuit concluded, Wickard “provides perhaps the best perspective on an economic mandate” and would need to be distinguished were the mandate to be struck down. With this in mind, below the jump are portions of the Eleventh Circuit’s discussion of Wickard."