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In an open letter to Roberta Pacifici, director of OSSFAD, Italys Observatory for Smoking, Alcohol and Drugs, a number of reputed public health experts urge policy makers to reflect on the uncritical application of the precautionary principle in the case of electronic cigarettes and to carry out scientific studies instead of taking action based on unsubstantiated claims and hunches

Kotoulas SC, Pataka A, Domvri K, Spyratos D, Katsaounou P, Porpodis K, Fouka E, Markopoulou A, Passa-Fekete K, Grigoriou I, et al

But a lot of what is chronicled here is mostly already known

The first functioning prototypes were created in the 1960s, but their commercialisation failed