Home > Sex > Sex tips Updated 26 July 2013 14 common sex questions We've received thousands and thousands of questions on our sex forum. About which problems have people posted the most questions? And what are the answers? We've picked the top 14. 0 Shutterstock Check Are you a sex addict? » Ask Sexologist » Join Health24 on Facebook » Quiz Are you ready for sex? » How porn addiction can affect your sex life Fun facts on STIs We've received thousands and thousands of questions on our sex forum. About which problems have people posted the most questions? And what are the answers? We've picked the top 14.1. I have erection problems. What can I do?2. Can I get Aids or other STIs from oral sex? 3. What are my risks of contracting STIs or Aids during sex, and other sexual acts?4. Is masturbation good or bad? 5. How can I give great oral sex? 6. Do women prefer circumcised or uncircumcised men? 7. What is the Kama Sutra, and how can I learn the techniques? 8. I have never had an orgasm, or only had an orgasm with myself, or struggle to reach orgasm. What can I do? 9. What is female ejaculation? 10. Is penis enlargement possible? 11. Does size matter? 12. What is the G-spot? How can I find it and stimulate it?13. Am I pregnant?14. I or my partner has a low libido, or I have lost my sexual desire. (Picture: sex concept from Shutterstock) More in Sex The history of the vibrator More: SexSex tips advertisement Read Health24’s Comments Policy Comment on this story 0 comments Comments have been closed for this article. Logout Comment 0 characters remaining Share on Facebook Loading comments... From our sponsors Cipla Nutrition- Dummies Guide to Enduro Prep 4 clever ways to stay active this winter Key signs you need a change in diet Clear your head with fast-acting, long-lasting Sinutab® Nasal Spray Live healthier PMS, depression & suicide » Don't let PMS get you down Symptoms of PMS Diagnosing PMS The link between PMS, depression and suicidal thoughts The symptoms of premenstrual dysphoric disorder (PMDD) are similar to those of PMS, but generally more severe – and could include depression and even thoughts of suicide. A vegan marathon runner » Comrades: don't run if you're ill Fuel your body for the Comrades Running the Comrades Marathon on a vegan diet Donovan Will, who is training to run the Comrades Marathon, speaks to Health24 about his plant based diet and fears of getting injured ahead of the big race.