Guys expanding upwards for the shantytowns of Recife, Brazil, often start having sex within very more youthful years, essentially without needing condoms A journal away from peer-reviewed browse step one 1 / 2 of intimately knowledgeable 13–19-year-olds participating in a beneficial 2000 questionnaire got very first had sex of the years fifteen; only about three in ten had used a beneficial condom initially intercourse. The proportion that has made use of a beneficial condom are eg reasonable-28%-certainly one of respondents young than 15. [...]