Introduction: Sexuality involves psychological, emotional and cultural factors.Objective: Identify sexual habits of Brazilian medical students.Methods: A multicenter cross-sectional study johnny cash style clothing was conducted and an electronic questionnaire was used.Results: They were interviewed 459 university students.About their sexarche, 76.
4% had already had it, 25.2% before 19 years old.From those who have sexual life, 60.0% lost their virginity with their boyfriend or girlfriend, and 54.9% used a condom in this first intercourse; those who did not use it said they underwater treasures sunken medallion trusted in their partners.
The median of sexual partners in lifetime was 2, and 12.4% have ever had homosexual intercourses.About alcohol and drugs, 6.2% generally use them before having sex and 18.9% have not used condom because of these substances.
Conclusion: Even though the sample have more knowledge about vulnerability to sexually transmitted diseases, they show risk factors for having it.