Self-reported use of unauthorized drugs by high-school students continued a decade-long decline in 1989, while alcohol and cigarettes remained the most widely used drugs among the teenagers, according to a national survey released last week.
The annual survey of 17,000 seniors is conducted by researchers at the University of Michigan in Ann Arbor.
Overall, 19.7 percent said they had used an illicit Drug in the previous month, compared with 21.3 percent in 1988 and nearly 40 percent in 1979. Seventeen percent of the seniors reported using Marijuana in the prior month -- down from a peak of 37 percent in 1979. Cocaine consumption was reported by 2.8 percent of the students, sustaining a steady slide from 6.7 percent in 1985. Amphetamine use in the previous month was about 4 percent last year, having dropped from 12 percent in 1980. The reported use of tranquilizers, Depressants and are subject to abuse.">Barbiturates and methaqualone remained at extremely low levels.
However, disturbing signs also appeared. Reported use of PCP, a hallucinogen with dangerous effects, rose in the month before the survey from 0.3 percent in 1988 to 1.4 percent in 1989. Heroin use was infrequent, but rose from 0.2 percent to 0.3 percent over the same time period. Crack Cocaine use in the prior month fell from 1.6 percent in 1988 to 1.4 percent in 1989, but the percentage of seniors reporting crack use was 3.1 percent in 1989, the same percentage as in 1988.














