WARNING FOR AND Illegal disposable e cigarettes (vapes) may be more dangerous than traditional cigarettes, according to new research from UC Davis. The study found hazardous levels of toxic heavy metals Teen vaping linked with toxic lead exposure, study finds CNN Think before you vape. E cigarettes contain toxic chemicals that can harm your health. Ready to quit? Text READY to 34191 What's in vapes? Toxins, heavy metals, maybe radioactive polonium