In this video from Market Checkup, Motley Fool health-care analyst David Williamson takes investors through the biggest headlines in the health-care sector today.

With so many heated opinions on both sides of the Obamacare debate, taking an objective view of the headlines as they come along during the rollout of this legislation can be important for investors looking to separate the signal from the noise. In this segment, David looks at three big Obamacare headlines and tells investors which of them are significant, and which can be very safely ignored.