What does this quote mean from   Preventing Tobacco Use Among...

What does this quote mean from  Preventing Tobacco Use Among Youth and Young Adults: A Report of the Surgeon General states, "In addition to cigarette smoking, use of other forms of tobacco by youth and young adults is epidemic. Nearly one in five White adolescent males (from ages 12-17 years old) uses smokeless tobacco, and 1 in 10 young adults (18-25 years old) smokes cigars. The concurrent use of multiple tobacco products is common, too, with over 50% of White and Hispanic male tobacco users reporting that they use more than one tobacco product. The numbers are staggering. They translate into over a million... State and community. Nearly all tobacco use begins in childhood and adolescence. In all, 88% of adult cigarette smokers who smoke daily report that they started smoking by the age of 18".  

 

Please give a detailed explanation.