Alcohol - Know Your Limits - Don't let a good night turn into a bad one.

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Sex You can't be too careful

Here are a few things to consider.

The rules

Drinking and socialising go hand in hand. And socialising can sometimes lead to sex.

But after a few drinks, can you be sure you'll use a condom?

Unsafe sex can lead to unintended pregnancies or sexually transmitted infections (STIs) like chlamydia, herpes or HIV.

So if you've been drinking and are about to have sex, always remember:

The risks

It's no coincidence that men find their sexual performance can diminish after a night out. Alcohol is an anaesthetic – it numbs the genitals' nerve cells, so it becomes harder to reach orgasm. Alcohol also makes it harder to achieve an erection.

Over time, heavy drinking can: