A survey of the three most common "date rape drugs" -- the veterinary anesthetic ketamine, a banned human anesthetic, Rohypnol, and the outlawed depressant GHB.

Teens are warned that these drugs can easily and undetectably be slipped into a drink -- alcoholic or nonalcoholic -- and that they render the victim unconscious and helpless in as little as one minute.

The extremely serious risk of lethal overdose is stressed, and readers are urged to keep very close watch on the any beverage they are served in all but the most familiar and safe company.

Those interested in learning more about these dangerous substances are referred to In the Know Zone, Fox Pro Media's free drug information website.