Nicotine is especially addictive for young people and can make it harder to learn and focus. Nicotine withdrawal can worsen stress and mental health symptoms. Learn more about the risks of vaping Fast facts on the effects of e cigarettes and vaping 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. Urban Recovery Vaping harms your health Cancer Institute NSW