- Most e-cigarettes contain nicotine. Nicotine is highly addictive and can harm adolescent brain development, which continues into the early to mid-20s
- Electronic cigarettes—or e-cigarettes—are also called vapes, e-hookahs, vape pens, tank systems, mods, and electronic nicotine delivery systems (ENDS).
- Using nicotine in adolescence can harm the parts of the brain that control attention, learning, mood, and impulse control.
- The e-cigarette aerosol that users breathe from the device and exhale can contain harmful and potentially harmful substances, including:
- Ultrafine particles that can be inhaled deep into the lungs
- Flavorings such as diacetyl, a chemical linked to a serious lung disease
- Volatile organic compounds
- Cancer-causing chemicals
- Heavy metals such as nickel, tin, and lead
- E-cigarettes work by heating a liquid to produce an aerosol that users inhale into their lungs.
- Besides nicotine, e-cigarette aerosol can contain substances that harm the body.
This includes cancer-causing chemicals and tiny particles that reach deep into lungs. However, e-cigarette aerosol generally contains fewer harmful chemicals than smoke from burned tobacco products.