Illustration of the four generations of e cigarette or vaping products. Download Scientific Diagram Some reports state that these new, flavored smoking devices are less harmful than tobacco cigarettes but how safe is vaping? In this third part of a four part series, China Daily examines the An Overview of E Cigarette Impact on Reproductive Health Vaping: Know the Dangers Rady Children's Health Vaping Information Substance Use Prevention Services Youth Services System, Inc. Youth Services System, Inc.