Full article: Disposable electronic cigarettes chemical composition and health effects of their use. A systematic review Vaping is often marketed as a safer alternative to smoking, but many vape products contain nicotine, harmful chemicals, and heavy metals that can harm developing brains and lungs. UCLA study finds even short term vaping poses significant risk to health Daily Bruin Frontiers Beyond the label: current evidence and future directions for the interrelationship between electronic cigarettes and mental health