herbert gilbert electronic cigarette A by Tessa Wisniewski on Prezi herbert a. gilbert smokeless non-tobacco

Flexible ducts with fibreglass liners are particularly problematic

This creates a fine, sticky film that can build up over time

Common questions

Acid reflux and GERD: Smoking can weaken the lower esophageal sphincter (LES), the muscle that separates the esophagus from the stomach, making it easier for stomach acid to reflux back up into the esophagus

While the evidence may suggest this poses less risk than the many known carcinogens in cigarette smoke , this does not mean vaping should be considered totally safe, and is why those who have never smoked or vaped before are heartily discouraged from starting

Although cigarettes can be sold by bar staff, the spokesman said many pubs would not opt to introduce that, as it raised issues about having a "high-value" item behind the bar and interfered with serving drinks