What factors make it difficult to determine the extent of drug use?  What information might be missing in surveys?  How would you try to get information?  Why might people not be honest?  What can be

 What factors make it difficult to determine the extent of drug use?  What information might be missing in surveys?  How would you try to get information?  Why might people not be honest?  What can be done to improve accuracy of information about drug use? Find reports on the 1982 Tylenol poisoning crisis. Discuss how Johnson & Johnson responded, as well as the new regulations regarding the safeguarding of containers and packages of OTC pain-relievers.