By Ewan Gleadow & Ewan Gleadow A regular vaper was told he had just a 1% chance of survival after being left in need of a double lung transplant. Jackson Allard, 22, underwent the life-saving operation on New Year’s Day, putting an end to a series of serious health issues. His worried grandma, Doreen Hurlburt, feared she would lose her grandson forever. She said: “At one point a doctor said he had a 1% chance of living.” Despite his grandma’s pleas, Jackson continued to vape, believing it was healthier than smoking. Now, after a double lung transplant, Jackson can’t drink or smoke ever again. …