What Is Nicotine & How It Benefits People? [A highly ignored subject] Vapes on black market may contain toxic chemicals, pesticides, harmful flavorings Vaping lung illness: Harmful chemicals found in e cig flavoring juice Avoiding Tobacco Smoke and E Cigarette Aerosol Is a Key Part of Asthma Management Asthma and Allergy Foundation of America Vaping isn't just vapor. It's an aerosol filled with nicotine and chemicals that go deep into your lungs and straight into your bloodstream. Many vapes contain: Highly addictive nicotine