What's the worst juice you've ever had? This one takes the cake for me : r Vaping E cigarette flavors are toxic to white blood cells, warn scientists My Worst Play The Real Cost What is this!? , Vaping is horrible for your health, and you should quit it today, While we cant be entirely sure if this is actually vape residue, it is illustrative of what is happening in your Disposable vapes might look harmless with their fun colors and sweet flavors, but scientists have just uncovered a disturbing truth: these devices can pack a toxic punch even stronger than regular cigarettes. Sweet E cigarette Flavored Liquids Could Increase Your Tooth Decay Risk