5 Key Takeaways

• 1

  E-cigarettes marketed as 'clear' emerged in Massachusetts after the 2020 flavored tobacco ban, containing synthetic additives.

• 2

  A study involving 207 healthy young adults linked 'clear' e-cigarette use to significant increases in blood pressure and heart rate.

• 3

  Blood pressure and heart rate increases were greater among 'clear' users compared to non-users and flavored e-cigarette users.

• 4

  Chemical analysis of 'clear' products revealed synthetic cooling agents and traditional flavorants, undermining the flavor ban's efficacy.

• 5

  The study's authors called for further investigation into the cardiovascular effects of 'clear' e-cigarettes due to observed associations.