FDA reverses order taking Juul vaping products off the market in US, opens door to possible authorization ABC News Sometimes when people vape for the first time they can feel quite unwell and, in some cases, they can actually be sick. This is due to the nicotine they're ingesting and is JUUL Resources Learn About The JUUL E Cigarettes And JUULpods JUUL Juul's Harmful Side Effects Office for Science and Society McGill University