Research in fields for which self-reported behaviors can be compared with factual data
reveals that misreporting is pervasive and often extreme. The degree of misreporting is …

Objective: To systematically review systematic reviews of school-based sexual-health and
relationship Education (SHRE) programmes and, thereby, identify interventions and …

Background Addressing non-communicable disease (NCDs) is a global priority in the
Sustainable Development Goals, especially for adolescents. However, existing literature on …

We describe levels of sexual activity, problems with sexual functioning, and concerns about
sexual health among older adults in the English Longitudinal Study of Ageing (ELSA), and …

Introducción: Adolescentes y adultos jóvenes participan frecuentemente en
comportamientos sexuales riesgosos (relaciones sexuales sin protección, sexo con parejas …

Background Despite the aging of the population, little is known about the sexual behaviors
and sexual function of older people. Methods We report the prevalence of sexual activity …

Objectives To examine the relation between health and several dimensions of sexuality and
to estimate years of sexually active life across sex and health groups in middle aged and …

Background Geosocial networking applications (GSN apps) used for meeting sexual
partners have become increasingly popular with men who have sex with men (MSM) since …

We examined change over time in the reported prevalence of men having sex with men and
women having sex with women and acceptance of those behaviors in the nationally …

A wide range of communicable human diseases can be considered as spreading through a
network of possible transmission routes. The implied network structure is vital in determining …