[contentcards url=”https://www.theguardian.com/society/2022/jul/23/child-vaping-epidemic-risks-becoming-public-health-catastrophe-in-uk-experts-warn” target=”_blank”] By Shanti Das and Jon Ungoed-Thomas Lindsey Smith’s son was 14 when he bought his first vape. Engrossed in videos of YouTubers making “ghost…