• USA 2014: age 16-21, 54% sexual problems; 27% Erectile Dysfunction; 24% problems with orgasm. A summary of the research is available here.
USA 2014: ອາຍຸ 16-21, 54% ບັນຫາທາງເພດ; 27% Erectile Dysfunction; ບັນຫາ 24% ກັບ orgasm. ບົດສະຫຼຸບຂອງການຄົ້ນຄວ້າແມ່ນມີຢູ່ ທີ່ນີ້.