At a recent expert review (to be published as IARC Monograph 100E), the list of cancers for which the evidence for tobacco smoking being causative was considered to be sufficient was updated to include cancers of the colon and rectum, and mucinous tumours of the ovary (Secretan et al, 2009)
"Who Reads North Korea's Rodong Sinmun Newspaper?"
By limiting the use of these products in public places, we protect people from exposure to harmful chemicals and send a message to kids and teens that e-cigarette use is not a healthy behavior. E-cigarettes, vapes, e-pipes and other vaping products are battery-powered devices that allow users to inhale aerosolized liquid
If your cold sore gets too dry, apply a small amount of moisturizer
This, however, is one of the reasons I prefer matches over cigarette lighters in cold environments