From the Congressional Record Online through GPO
By Mr. ROE of Tennessee:
Congress has the power to enact this legislation pursuant
to the following:
Consistent with the original understanding of the Commerce
Clause, the authority to enact this legislation is found
within Clause 3 of Section 8, Article 1 of the U.S.
Constitution. Furthermore, the treatment of Medicaid among
other provisions provide for the general welfare of the
Unites States and thereby retain authority within Clause 1 of
Section 8, Article of the U.S. Constitution.