Vaping may seem harmless, but many products contain nicotine, toxic chemicals, and ultra fine particles that can damage the lungs and heart. For teens, nicotine can also affect brain development, attention, mood, and Teens who vape or smoke more likely to experience depression and anxiety, study of over 60,000 u.s. students finds. Youth using both e cigarettes and traditional tobacco report the highest levels of mental Study finds depressed adolescents twice as likely to vape E Zigaretten und Vape Shop in Mnchen Ezigi Market Truth Launches Fake Vape Company 'Depression Stick!' to Make a Point LBBOnline