1. a) What is diacetyl?
b) What harm does it cause to humans?

2. a) What is OSHA?
b) Why has OSHA warned people against the use of diacetyl?

3. a) How many flavors of e-cigarettes and e-juices are currently on the market?
b) How many flavored e-cigs and liquids did the Harvard researchers test for their study?

4. What did researchers discover about the prevalence of diacetyl in flavored e-cigs and refill liquids?

5. a) In addition to diacetyl, what else did researchers discover during their testing?
b) How are acetoin and 2,3-pentanedione described by the Flavor and Extract Manufacturers Association?

6. Do you think information like this will cause teens stop using e-cigarettes and/or choose not to even start? Explain your answer.