and lindsay moran. a former cia agent. that's our team. now let's do some science. ♪ >> hey guys, i'm phil torres. welcome to "techknow" i'm joined by are crystal dilworth, and kosta grammatis. and linda moran. - lindsay moran. >> let's take a look at the safety of e-cigarettes in general. >>> they're fruity flavorful fun and more popular than ever. the explosion in advertising dollars and sales of strong cigarettes are in the billions as the devices are being touted as a safer alternative to smoking tobacco cigarettes. >> i think it's the best thing smoke. >> i wake up in the morning and my lurchtion hurt really bad. i started vaping and it started getting better and better. >> are the claims really true or are they a smoke screen? the health rirvetion associated with the use of electronic cigarettes associate with the liquids themselves. the research at u.c. riverside, indicates that we shouldn't be just concerned about the are liquids but the devices themselves. >> when you do your experiments in the lab you hope to find something and i