Vaping can reverse lung damage and improve breathing, physical state, and senses according to a worldwide Internet survey with more than 19,000 users. 1 Nicotine withdrawals may occur in the first few days, but after nine months lung health improves significantly due to the renewal of microscopic hair-like structures inside the lungs that help push out mucus and fight infections. 2 Additionally, cardiovascular improvements can be seen in as little as 20 minutes. 2
