This article summarizes principal findings from a conference convened by th
e American Cancer Society in June 1998 to examine the health risks of cigar
smoking. State-of-the-science reports were presented and 120 attendees (re
presenting government and private agencies, academia, health educators, and
tobacco control experts) participated in panels and summary development di
scussions, The following conclusions were reached by consensus: (1) rates o
f cigar smoking am rising among both adults and adolescents; (2) smoking ci
gars instead of cigarettes does not reduce the risk of nicotine addiction;
(3) as the number of cigars smoked and the amount of smoke inhaled increase
s, the risk of death related to cigar smoking approaches that of cigarette
smoking; (4) cigar smoke contains higher concentrations of toxic and carcin
ogenic compounds than cigarettes and is a major source of fine-particle and
carbon monoxide indoor air pollution; and (5) cigar smoking is known to ca
use cancers of the lung and upper aerodigestive tract.