According to the National Cancer Institute and American Cancer Society, secondhand smoke is the combination of two types of smoke that is produced when burning tobacco: the smoke that comes from the burning end of a cigarette, cigar or pipe and the smoke that is exhaled by the smoker.

CNN: Study: Smoke-free laws may cut heart attack hospitalizations

The car itself had its entire front end sheared off, with the burning engine wedged through a gaping hole in the fence.

NPR: Fans Injured When Car Sails Into Fence At Daytona

The only indication as to whether a decision is made comes from the burning of the ballots at the end of each day.

CNN: Pope's resignation a new angle to a tough news beat

The entire front end was sheared off Larson's car, and his burning engine wedged through a gaping hole in the fence.

NPR: Horrifying Crash At Daytona Exposes Risks To Fans

The Hound, who has been afraid of fire ever since Gregor burned him as a child, had fled the battle at the end of Season 2 when both the city and the bay were burning.

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