Closing In On Vaping's Most Toxic Ingredient

How many breathless older smokers rue the day they first inhaled nicotine and tar? Someday, adolescents sucking tobacco-free Mods and Juuls could face similar regret. Initially hailed as a smoking cessation breakthrough, e-cigarettes have now been raising red-flags for years. Thanks to nicotine, vaping can be just as addictive as true cigarettes. And even if youthful vapers never drag on a Camel, preliminary evidence suggests they may still get chronic bronchitis - or even suffer a