This video is part of our "Motley Fool Conversations" series, in which health-care editor/analyst David Williamson discusses topics across the investing world.

In this video, David takes a closer look at how the Supreme Court could cause havoc to your portfolio. The constitutionality of the Affordable Care Act, aka Obamacare, is under review as the justices listen to opening arguments on both the entire law and the individual mandate. Find out which companies will be the most affected if the individual mandate is struck down but the rest of the ACA is left standing, and who the potential winners are if the whole law is thrown out.

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