Are Disposable Vapes Dangerous? Cassiobury Court Teen told he was coughing up 'pints' of blood due to a stomach ulcer caused by kebabs 'excessive vaping' was to blame A Smoke Shop's Disposable Vape Guide for Parents Many youth try vaping, but daily use can harm their mental and physical health. Support them by: Talking + listening without judgment Sharing honest experiences Practicing ways your child Vapes come in all shapes and sizes, including ones that are easy to conceal. Many companies make vapes that look similar to everyday household objects, like USB drives, pens, highlighters, and chargers,