Study Finds More Young Adults Vaping Soon after Waking Up Disposable Vapes Are Worse Than Cigarettes: UC Davis Study UC Davis study: Disposable vapes may be more toxic than cigarettes Youth often mistakenly believe vaping concentrates are harmless, but the concentration of nicotine and chemicals is shocking. Did you know? One disposable vape (up to 5,000 puffs) can equal the nicotine content Understanding the Hidden Health Risks of Vaping UL Research Institutes New data show nearly 800,000 teens vaped for the first time in the past year, as FDA is set to announce first major decision to remove a popular e cigarette brand