The Truth about Vaping Avoiding Tobacco Smoke and E Cigarette Aerosol Is a Key Part of Asthma Management Asthma and Allergy Foundation of America Vaping is often marketed as a safer alternative to smoking, but many vape products contain nicotine, harmful chemicals, and heavy metals that can harm developing brains and lungs. Small device. BIG impact. Vapes are NOT harmless and many contain nicotine that can hook the brain in seconds, plus chemicals and metals that can damage the lungs. The earlier