FDA Issues New Authorizations and Denial Orders to Logic Technology Dangerous trend: E cigarettes and young people Cancer UT Southwestern Medical Center Vapers Show Chemical Changes in Their DNA That Are Linked to Cancer E cigarette vapour contains two cancer causing chemicals, study says Vaping Lead: Are Vapes Reversing Gains in Lead Safety? Pure Earth Vaping may 'wake up' cancer cells and trigger wave of disease in a decade's timeVaping may 'wake up' cancer cells and trigger wave of disease in a decade The Independent