Sexually transmitted diseases (STDs) are a significant health problem among teenagers. Chlamydia has been found in 10-20% of young people seeking advice, and HIV is a hugh potential threat. In the late 1980s campaigns started against STDs and AIDS have increased the use of condoms. In 1976, a youth counseling was set up in Linkoping, Sweden. During 1987-90 attenders were queried to find out if teenagers used the condom more extensively as a result of increased information in schools and in the mass media. 1184 visits of girls who admitted sexual intercourse were registered. 91% of them were aged 16-19. An average of 37.5% of the girls states that their partner had used the condom during the last intercourse. No change was observed in the rate of condom use. During the period 1987-90, pertinent information increased in schools and in the media. Nonetheless the results do not indicate that it affected the sexual behavior of young people, although it could have longterm effects. General information may have to he completed on the basis of a school program with social and psychological content.