We would like to believe that educational programs can persuade children to avoid substances such as cocaine - but some of these programs may do more harm than good.

The federal Department of Education, for example, is now warning against school programs that use actors, sports stars and other celebrities who previously took drugs but then broke the habit. Its says, "While the power of confession may impress adults, children often get a different message: that the speaker used drugs for a time and survived or even became wealthy and famous."Let's see to it that the money appropriated for drug education is spent wisely.