For instance, during science classes, learners study themes, such as environment, sexually-transmitted diseases and accidents in the workplace.
UNESCO: Z?? Pe?o School Project
2.
Purity balls are one of the newest ways that Christians are trying to keep their children chaste and free of sexually-transmitted diseases.
ECONOMIST: Staving off the evils of sex before marriage
3.
Eight out of ten sportsmen studied by Oyudo had an infection call non-specific urethritis, and two tested positive for chlamydia, another sexually-transmitted disease.
BBC: News | Health | Sexual athletes could wreck sporting careers