stop forbid limit
Today, as in every other day of the year, more than 3,000 US adolescents will smoke their first cigarette on their way to becoming regular smokers as adults.During their lifetime, it can be  expected  that of these 3,000 about 23 will be murdered, 30 will die in traffic  accidents  , and nearly 750 will be killed by a smokingrelated disease.The number of deaths  caused  by cigarette smoking outweigh all other factors, whether  voluntary  or involuntary, as a cause of death.Since the late 1970s, when daily smoking among high school seniors  reached  30%, smoking rates among  youth  have declined.While the decline is impressive, several important issues must be  raised  .First, in the past several years, smoking rates among youth have  declined  very little.Second, in the late 1970s, smoking among  male  high school seniors exceeded that among female by nearly 10%.The statistic is reversing.Third, several recent studies have  indicated  that high school dropouts have excessively  high  smoking rate, as much as 75%.Finally, though significant declines in adolescent smoking have  occurred  in the past decade, no definite  reasons  for the decline to exist.Within this context, the National Cancer Institute (NCI) began its current  effort  to take the most effective measures to  [MASK]  smoking level among youth.