A former dental nurse whose £120-a-month vape addiction left her with two "black" front teeth is warning about the dangers. Stacey Gardiner, 41, from Swansea, started vaping in 2017 and got hooked, sometimes using a standard 600-puff vape in just one day. The blogger said she went "cold turkey" on her habit six months ago, after a dentist told her the two black marks on the tops of both her front teeth were likely "down to vaping". "I always cleaned my teeth twice a day, I don't eat sweets and