Why do firefighters have an increased risk of heart attacks?

With roughly 45% of firefighters' on-duty deaths in the US caused by cardiovascular events, a new study published in the journal Circulation by a group of Scottish researchers linked this problem to the extreme heat firefighters endure while fighting fires.

Why do firefighters have an increased risk of heart attacks?

For the remainder of the stories in today's Wildfire News Of The Day, please subscribe to the Wildfire News Of The Day newsletter