Just How Harmful Is Vaping? More Evidence Is Emerging. The New York Times Vaping is toxic. It can cause stress and feelings of anxiety and depression and has cancer causing chemicals. Take control of your health and future by quitting nicotine. DM us for resources to How Vaping Affects Your Mental Health While vaping may feel like it helps you alleviate stress and anxiety, it actually makes feelings of anxiety and depression worse. Reaching out for help is an important and necessary step to NYC Department of Health and Mental Hygiene's new report finds many NYC teens vape to manage stress but vaping can actually worsen stress and mental health symptoms. Read more: https: on.nyc.gov vapingreport