Pollution From Cars Can Trigger a Heart Attack

smog and heart attack photo Photo: Simone Ramella / cc While the sight of a hazy, smog filled cloud looming over the cityscape is certainly enough to break the heart of any would-be outdoorsman, it turns out that breathing in that pollution just might do so -- quite literally. According to a recently published study from the British Medical Journal, the inhalation of vehicle emissions can actually increase the likelihood of a heart attack, even up to six hours after exposure....Read the full story on TreeHugger