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Symptoms may include: Tarry, black, or bloody stools Severe vomiting, which may include blood or a substance with the appearance of coffee grounds (a sign of a serious hemorrhage) or the entire stomach contents (a sign of intestinal obstruction) Severe abdominal pain, with or without vomiting or evidence of blood Anyone who experiences any of these symptoms should go to the emergency room immediately

however, there are a few case reports involving adults that developed respiratory distress following electronic cigarette use, Sommerfeld told CNN on Thursday

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But do you know or hear about third-hand smoke or smoking