The results of a new study show that six out of ten middle-aged Britons don’t use a condom in a first-time sexual encounter.

Some experts say that these numbers may be the same for Americans, as in the US rates of all STDs (including HIV) are on increase with an estimated 19 million new cases every year. The U.S Centers for Disease and Prevention say that almost of STDs new cases are occurring among people 15 to 24.

However, the older adults are also at risk. Study’s lead author, Catherine Mercer, who is a lecturer at the Centre for Sexual Health & HIV Research at University College London, says: “Usually it is assumed thatSTDs are only increasing among young people, but data suggests that sexually transmitted infection diagnosis rates are increasing in almost all age groups in the UK.”

The report has been published in online edition of the International Journal of Epidemiology. It shows that most Britons engaging in unsafe sexual relations fall in 30s and 40s age group and have relationships where age difference is of five and more years.

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During the 2008 National STD Prevention Conference in Chicago , the researchers at ‘Centers for Disease Control and Prevention’ presented a paper pointing out to an alarming increase in large number of cases of teenaged girls and adolescent women being infected by sexually transmitted infections. It also stressed upon on addressing the prevention of these diseases as an important public health goal.

The paper was based on an investigation of data reported in the ‘2003-04 National Health and Nutrition Examination Survey’ done among a sample of 14- to 19-year-old girl participants. It was found that approximately one-fourth of this population sample was infected by at least one of the sexually transmitted infections, the maximum number of instances reported in the case of human papillomavirus. Other major infections were reported for the infections like ‘Chlamydia Trachomatis’ and ‘Trichomonas Vaginalis’. A small chunk of this group was also had herpes simplex virus type II and the one infected by STD had more than one infections. It reported about 1 in 4 female adolescents being infected by at least one sexually transmitted infection.

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