Home > Sex > Need-to-know Need-to-know All sections in Sex » Great Sex » Need-to-know » Problems » Relationships » Sexual Diversity » Sex News » Tools and quizzes » Great Sex Guides Porn addiction: what’s the fuss? If pornography is about people having sex, is it really that bad and can a person who watches it really become addicted? Check Are you a sex addict? » Ask Sexologist » Talk Heart to heart » Quiz Are you ready for sex? » Best sex positions for those who suffer from back pain The anatomy of intercourse Does size matter? Sexologist Dr Elna McIntosh answers this frequently asked question. Foods to inspire romance Human beings are on an eternal quest for love, sex appeal and sexual prowess. Health24's DietDoc investigates the foods of love, to inspire romance and love. A guide to safe oral sex Is oral sex safe? Sexologist Dr Elna McIntosh answers a few crucial questions. Foreplay isn’t what you think it is Dorothy Black thinks it’s time we gave outdated concepts of foreplay the boot. How to use a vibrator properly Here are a few tips on how to use a vibrator to increase sexual pleasure. How to eroticise safer sex Are condoms just a hassle? And do feel they interfere with sensation? They don't have to - we show you how. “ Latest comment on Health24 Tony De Wijn says... How to prevent a hangover AND save money? Don't drink. Why pay good money to pour poison down your throat and feel like crap the next day? Hangover cures around the world ” How to eroticise safer sex Are condoms just a hassle? And do feel they interfere with sensation? They don't have to - we show you how. Unleash your inner Geisha “I am going to put these inside you …for your pleasure and mine”. This is how Christian Grey introduces Anastasia to Ben-wa balls in Fifty Shades of Grey. STIs: avoid a doctor's visit Sexually transmitted infections are certainly no fun. In fact, they could be life-threatening. Here's what you need to know. load more articles advertisement From our sponsors Don't let Diabetes take your kidneys away Exam stress – a challenge for the whole family Eduloan offers affordable education finance Vote for 2014 Hill's Pet Slimmer of the Year Live healthier Strenghten your immunity » Keep your immunity strong Immune system boosters Boost your family's immunity 5 immune boosters in your kitchen You don’t need a handful of vitamins and supplements to keep your body healthy, check out these five immune boosting foods you probably already have in your kitchen. Depression » Depression Depression and ageing Teen depression Depression: do you know the signs? One of the key roles you can play in the health of someone who is depressed or suffers from anxiety is to make sure they get the help they need. Here's what you need to know.