This report on adolescent tobacco use in Nebraska focuses on grades 8 and 10. The results presented are based on over time; (2) the changing nature of tobacco use from smoking to use as a chew or snuff; (3) the viewing of smoking and chewing as one health issue of tobacco exposure; (4) definition of a smoker for purposes of this study; (5) data from studies of smoking rates in Nebraska adolescents in 1980 and 1988 which indicate that although the rate of smoking had not changed, females were smoking at a younger age; (6) a comparison of the incidence of smoking in Nebraska students in 8th and 10th grades to that of students nationwide which indicated that in general the rates were no higher for Nebraska students, except for 8th grade females whose rates were higher than the rates nationwide; (7) the proportion of Nebraska 8th- and 10th-grade males who smoked and chewed (this was found to be significantly higher than in the nation as a whole); (8) the proportion of the Nebraska 8th- and 10th-grade males who were tobacco exposed (this was found to be significantly higher than across the nation as a whole); (9) rates of tobacco exposure for Nebraska females (these were higher than for the nation also); (10) the history of adolescent tobacco use; (11) the nature of adolescent tobacco use; and (12) explanations for the lack of decline in adolescent tobacco use. (ABL)