Editing Cigarette (section)

== Lights ==
{{main|Ventilated cigarette{{!}}Lights (cigarette type)}}
Some cigarettes are marketed as "lights", "milds", or "low-tar".<ref name=netcom>{{cite web|url=http://pw1.netcom.com/~rdavis2/cigra.html|access-date=October 5, 2011|title=Nicotine, Tar, and Co Content of Domestic Cigarettes|archive-url=https://web.archive.org/web/20120401150517/http://pw1.netcom.com/~rdavis2/cigra.html|archive-date=April 1, 2012}}</ref> These cigarettes were historically marketed as being less harmful, but there is no research showing that they are any less harmful. The filter design is one of the main differences between light and regular cigarettes, although not all cigarettes contain perforated holes in the filter. In some light cigarettes, the filter is perforated with small holes that theoretically diffuse the [[tobacco]] smoke with clean air. In regular cigarettes, the filter does not include these perforations. In ultralight cigarettes, the filter's perforations are larger. The majority of major cigarette manufacturers offer a light, low-tar, or mild cigarette brand. Due to recent U.S. legislation prohibiting the use of these descriptors, tobacco manufacturers are turning to color-coding to allow consumers to differentiate between regular and light brands.<ref name="Koch">Koch 2009</ref>

Research shows that smoking "light" or "low-tar" cigarettes is just as harmful as smoking other cigarettes.<ref name="National">U.S. National 2004</ref><ref name="Benowitz">Benowitz 2005, p. 1</ref><ref>NCI's Smoking 2007, p.7</ref>