 Most alcohol users are now aware of these dangers and safe ride techniques like 'designated drivers' and free taxicab programmes are reducing the number of drunk-driving accidents.Many schools now provide safer sex education to teen and pre-teen students, who may engage in sexual activity.Since some adolescents are going to have sex, a harm-reductionist approach supports a sexual education which emphasizes the use of protective devices like condoms and dental dams to protect against unwanted pregnancy and the transmission of STIs.