A doctor explains Kyle Busch’s cause of death at 41, severe pneumonia that turned into sepsis.

Double pneumonia is treatable in most cases. Here's why it can turn deadly fast, even in someone young and seemingly healthy ...

Fox News senior medical analyst Dr. Marc Siegel discusses the death of NASCAR driver Kyle Busch after his family said severe ...

Kyle Busch, who was preparing to race at the Coca-Cola 600, was testing in the Chevrolet racing simulator in Concord on Wednesday when he became unresponsive.

HIGH POINT, N.C. (WGHP) — NASCAR legend Kyle Busch’s family shared in a statement that his death was linked to severe pneumonia that progressed into sepsis. Busch died days before he was planned to ...

Fans continue to mourn Kyle Busch two days after the NASCAR legend's sudden and shocking death at age 41. Here's what we know ...

NASCAR legend Kyle Busch died of severe pneumonia, his family said Saturday. The 41-year-old driver died Thursday after he ...

NASCAR driver Kyle Busch died from severe pneumonia that turned into sepsis, according to a statement provided by his family on Saturday. "The medical evaluation provided to the Busch Family concluded ...

The situation led to "rapid and overwhelming associated complications," Busch's family said in a statement Saturday.

The family of NASCAR star Kyle Busch said the 41-year-old died after severe pneumonia progressed into sepsis, which led to ...

Two-time NASCAR Cup Series champion Kyle Busch died from complications of severe pneumonia that progressed into sepsis, his ...