Sexually transmitted infections - commonly known as STIs - are not the best thing about sex. They are infections that can be caught, or passed on, when you have sex, or when you have close sexual contact with another person.

But even if you're not having sex right now, you still need to know about them so that you will know how to protect yourself against them if and when you do decide to have sex. STIs are a lot more common than you might think.

You can find out more here about the different STIs, their signs and symptoms, how to get tested and what to do if you think you may have one. If you have any questions or worries, you can always call Ask Brook on 0808 802 1234. Your call will be confidential. That means we won't tell anyone about it.

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