This is crazy, why smoke tobacco to begin with but vaping is even more dangerous, it appears the oil doesn't burn up instead going right into the lungs... Shocking scans show how vaping e-cigarettes left a 19-year-old's lungs filled with solidified oil that looked like hardened bacon grease and left him unable to breathe on his own Anthony Mayo (right), 19, of Erie, Pennsylvania, became seriously ill last week, struggling to breathe, looking pale and feeling sick. Doctors found his lungs had become severely congested with solidified vape oil, likened to cooking grease that hardens after being cooled (see right, a scan). It had caused My Mayo, who had been vaping for around two years, to have 'the lungs of a 60-year-old, two-pack-a-day, smoker', his father, Keith Mayo (inset with wife and Anthony), said. Anthony is now recovering in hospital while medics work to clear his lungs. .