HIV is a virus that attacks your immune system. Whether you're young or old, you could be at risk. Find out how it's passed from one person to another and what you can do to protect yourself from infection.

Have you heard the one about catching HIV from toilet seats? It's just one of many myths surrounding HIV. Test your knowledge of the virus and separate facts from fiction in this quiz.

Getting tested is the only way to find out your HIV status. Tests can be done at your GP or a genitourinary medicine (GUM) clinic. If you're thinking about having a test, find out what happens.

Safer sex is all about making sure you don't catch a sexually transmitted infection (STI). Whether it's vaginal, anal or oral sex, your best protection is to use a condom. Discover the essential stuff you need to know.

Getting drunk or high may make you feel like you can take on the world but it also encourages you to do stuff you wouldn't normally. Get clued up about the risks of HIV infection.