Liquid Nicotine is a Poison. Treat It Like One. Pediatric Angel Kids Health Info : Vaping and e cigarettes 22 people have been hospitalized with vaping linked breathing problems. Doctors don't know why. Vaping can have serious negative impacts on both your lungs and your overall health. Here are the potential risks that we already know about, even if the vape is nicotine free: It's proven that vapes contain toxic chemicals, can cause lung damage and are addictive. It's important for young people in NSW to know that every vape is a hit to your health.