How does the disposable vape ban work, and how harmful is vaping? Disposable E Cigarettes More Toxic Than Traditional Cigarettes UC Davis Are There Harmless Vapes The Look of Vapes Has Changed. Here's Why the Shift Has Experts Worried Vaping: Get the Facts. Protect Your Future Anne Arundel County Health Department Parents: Vaping may look harmless, but it isn't. Many teens don't realize that vapes contain nicotine and other harmful chemicals that impact brain development, increase anxiety, and lead to addiction. Start Vaping: A safer smoking alternative or a new health crisis? Oakland Voices