Can vaping cause cancer? The evidence suggests it might. The Washington Post Use tobacco, smoke or vape? Test your cancer IQ. The rise of teen vaping is worrying doctors worldwide. While e cigarettes were once marketed as a safer alternative, research shows they contain nicotine, heavy metals, and cancer causing chemicals that can damage developing Vaping is banned in countries like Mexico and Thailand here are the countries where it's illegal or restricted Vaping is often marketed as a safer alternative to smoking, but a recent case from New Jersey is highlighting a disturbing possibility. Doctors at AtlantiCare Regional Medical Center detailed the tragic story