A flexible tube with a lighted camera on the end passed down to your lungs in selected cases
Science 334 (6054), 358362
But dont just take my word for it
Most are made from cellulose acetate fibres, and added chemicals which make the plastic more flexible, called plasticisers, may also be leaching out and adversely affecting the early stages of plant development. Cigarette butts clog the Gulf of Mexico and was one of the most-collected trash items during an Ocean Conservancy clean-up in 2017
Its not uncommon to see mods with variable voltage and/or wattage settings, full temperature control, digital readouts, larger tanks and so on
The Italian health minister's proposals to extend a smoking ban include the outdoor areas of bars and parks, according to details reported by local media, drawing the ire of right-wing Cabinet colleagues who labeled him a "communist." Minister Orazio Schillaci, a technocrat with no party affiliation, said in January he would crackdown on smoking, including e-cigarettes, which are being widely used by teenagers
