Which provisions in the Constitution give the federal government power to create, regulate, and mandate healthcare policies and according to whom?

Which provisions in the Constitution give the federal government power to create, regulate, and mandate healthcare policies and according to whom?
Note:

I need 300 words responses for EACH discussion below. Must address the all question properly and provide 2-3 credible references for each answer. Must provide 100% original answers.

Discussion 1 (300 words, 2- 3 credible references)

Which provisions in the Constitution give the federal government power to create, regulate, and mandate healthcare policies and according to whom? Provide a news article or a congressional bill from the last four weeks to illustrate government actions in the policy area.

Discussion 2 (300 words, 2- 3 credible references)

Presidents play many roles within government and party. Using a news article from the last four weeks, demonstrate which is most important and why?

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