The number of deaths in the United States, according to the use of E-cigarettes has risen to at least three. A fourth death was being investigated in this connection, said Dana Meaney-Delman by the US health authority CDC on Friday.

"We know of three dead and a case that is being investigated." In total, the authorities had been now reported 450 potential diseases in more than 30 States. In the US, the messages of unexplained lung diseases that occur after the consumption of E-cigarettes, in the past few weeks, frequently had.

Difficulty breathing, shortness of breath and chest pain

The symptoms ranged from respiratory complaints, shortness of breath and chest pain to cases of gastro-intestinal disorders with vomiting and diarrhea. Many of those Affected had consumed the so – called Liquids – liquids that are evaporated with the psychoactive Cannabis ingredient THC.

The "Washington Post" had been reported on Thursday from a track to a potentially responsible substance. These come in different brands and in several of the Liquids. It was a so-called Vitamin-E-acetate, which had found the investigators in samples of cannabis products, which had smoked the Diseased previously.

Unclear whether Liquids or Vaping is to blame

To date, it was said that there is no doubt that the unknown lung disease-with E standing of cigarettes in combination. But it has yet to be clarified, whether the disease have been triggered by the Vapor or by Liquid, so the Vapor liquids used. Affected patients reported from different Liquids, you use: Some of which contained nicotine, or marijuana, and others were mixed together.

"A connection is quite plausibel", also Katrin Schaller German cancer research center (DKFZ) in Heidelberg, said in August. Because the users of E-inhalation cigarette aerosols, it is likely that the lung will hardest hit. There have already been individual reports on special forms of lung inflammation associated with the consumption of E-cigarettes.

"E-cigarettes are not harmlos"

"E-cigarettes are not harmlos", the expert on tobacco control said. The assessment of the health risk posed by E-cigarettes but it is extremely difficult, said Schaller. In the cases in which the United States, did not know what would have used the people. There is a wide disparity in E-cigarettes and thousands of e-Liquids with flavors, of which you do not know, how they acted in the lung. The flavors are approved as food additives, but Toxicological data for the Inhalation were missing.

The US health authority, FDA had seizures in the spring, a possible connection between the Occurrence of seizures and the use of E-cigarettes tested. It had been 35 cases from the years 2010 to 2019.

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