Adolescence Youth sex related issues the age to explore and understand sexuality. The myriad of changes that occurs in adolescents puts them under enormous stress, which may have adverse physical, as well as psychological consequences. Perspect Sex Reprod Health. Prevalence and characteristics of sexual functioning among sexually experienced middle to late adolescents. While the added value of distress to the specificity of the measure remains controversial, the subjective experiences of sexual functioning should be considered as critical elements underlying healthcare seeking behaviours. A national sample of adolescents ages 14 Youth sex related issues 17 years.