How to handle guests who break house rules and smoke in the house? Vaping is not just water vapor. E cigarette aerosol can contain nicotine, heavy metals, and harmful chemicals that affect your lungs and brain. What you inhale matters. Choose facts. Choose health this # Smoker warning over item TSA has banned from checked luggage it will only be allowed on plane if 'watt' limit followed Workplaces Void Vapes from Premises. Here's Why.