New details emerge on Sen. Graham's sudden death

Fox News medical analyst Dr. Marc Siegel explains the preliminary findings on Sen. Lindsey Graham's sudden death from aortic dissection due to cardiovascular disease at 71. He discusses the condition and its warning signs.

Fox News senior medical analyst Dr. Marc Siegel provides crucial insights into the preliminary medical findings surrounding Sen. Lindsey Graham's sudden passing. The South Carolina senator, 71, died from an aortic dissection due to arteriosclerotic cardiovascular disease. Dr. Siegel details what this condition entails and the critical, often subtle, warning signs that precede such a fatal event.