With sexual activity among adolescents in the United States resulting in over 750,000 teenage pregnancies each year and reports of up to 25 percent of all female adolescents in the US having sexually transmitted infections, researchers and public health officials are looking for those factors that might increase sexual activity in teens.

Parenting programmes in the workplace can significantly improve parents' ability to talk with their children about sexual health and may provide a unique way of promoting healthy adolescent sexual behaviour, concludes a study published on BMJ.com today.

Americans approve of public schools providing sexual education to the students, but they are against dividing them into groups according to their social position, nationality and age.

Our study “Sexual knowledge and attitudes of men with intellectual disability who sexually offend,” published in Journal of Intellectual and Developmental Disability in June 2007 did not find that sex education made sexual offenders with an intellectual disability more dangerous.

Scientists of the Department of Personality, Evaluation and Psychological Treatment of the University of Granada (Universidad de Granada) have studied how some psychological variables such as erotophilia (positive attitude towards sexuality), sexual fantasies and anxiety are related to sexual desire in human beings.