What vape products are still allowed under the new e cigarette policy? These could be the worst vape flavours for your health, according to science BBC Science Focus Magazine The 9 Most Rare and Weird Disposable Vape Flavors (2025) Ziip Stick While vaping is not risk free, it is less harmful than tobacco Our World in Data Vaping releases toxic chemicals, including heavy metals, as well as ultrafine particles that go deep into the lungs. These increase the risk of heart and lung disorders.