Vaping has become common, but it's important to know what you're inhaling. Many e cigarettes contain nicotine, heavy metals like nickel and lead, and chemicals that can harm your lungs and overall health. While vaping is not risk free, it is less harmful than tobacco Our World in Data UCLA study finds even short term vaping poses significant risk to health Daily Bruin Health Effects of Vaping Vaping It's No Smoke and Mirrors When it Comes to Urinary Health Issues The Urology Group