Facts that you should know!

In the next 24 hours, 15,006 American teens will use drugs for the first time.(source: stats. cited by Teen Help)
Since 1992, drug use by 12- to 17-year-olds has doubled. (source: Department of Health and Human Services.)
Today, in a classroom of 25 students, odds are that three of them will be drug users. (source: Department of Health and Human Services.)
A majority of teens between the ages of 15 and 17 have been to a party in the last six months where marijuana was available. (source: National Center on Addiction and Substance Abuse at Columbia University)
Nine percent of middle-school students and 28.4 percent of high- schoolers smoke cigarettes.
Cigars are the second-favorite tobacco product.
About 10.4 million Americans between ages 12-20 had at least one drink last month; of these 6.8 million were "binge" drinkers (consuming five or more drinks in a row on a single occasion) including 2.1 million heavy drinkers (consuming five or more drinks on the same occasion on at least five different days) (National Institute on Drug Abuse {NIDA}
80% of high school seniors have used alcohol; in comparison, 62% have smoked cigarettes; 49% have used marijuana; and 9% have used cocaine (NIDA, 2000 Monitoring the Future Study, Seconardy School Students).
The total cost of alcohol use by youth--including traffic crashes, violent crime, burns, drowning, suicide attempts, fetal alcohol syndrome, alcohol poisonings and treatment--is more than $58 billion per year (DT Levy, K Stewart, et al "Costs of Underage Drinking" {report prepared for the US Department of Justice Office of Juvenile Delinquency Prevention),
First use of alcohol typically begins around the age 13; marijuana around 14 (NIDA,)
Approximately 8% of the nation's eighth graders; 24% of tenth graders; and 32% of twelfth graders have been drunk during the last month; 12%, 23% and 25%, respectively, have used an illicit drug (NIDA)
40% of college students have "binged" on alcohol during the past two weeks (NIDA,)
Teenagers whose parents talk to them regularly about the dangers of drugs are 42% less likely to use drugs than those whose parents don't, yet only 1 in 4 teens reports having these conversations (Partnership for a Drug-Free America
Risks associated with smoking cigarettes:

diminished or extinguished sense of smell and taste
frequent colds
smoker's cough
gastric ulcers
chronic bronchitis
increase in heart rate and blood pressure
premature and more abundant face wrinkles
emphysema
heart disease
stroke
cancer of the mouth, larynx, pharynx, esophagus, lungs, pancreas, cervix, uterus, and bladder