officials have identified vitamin e acetate in the lung fluid of dozens of people. so what do we know about the substance, and what does that mean for people who are still vaping? joining us now to discuss, dr. melody. welcome to the show. when i heard this, you know, vitamin e is a up element that a lot of people -- is a supplement that a lot of people take. >> it all that started four months ago, and we had our first case where when we did analysis at the department of health in new york, they found out that the cartridge, it was a fake thc cartridge which was cut with vitamin e acetate. so because it was the first time, we said maybe it is just a coincidence. but since then ed had four