Millions of men struggle with erectile dysfunction (ED). In this episode, Elna and Mark interview people with ED and look at the difference treatment has made to their lives.

Watch this space. Following the episode on 25 May, we will have up-to-date articles on the condition and the latest treatment developments.

We will explain the condition with the help of detailed illustrations. And a funky animation will show you how a normal erection works.

Use this great step-by-step guide to understand your condition better. With effective treatment, and the correct info in tow, you'll soon be enjoying a normal sex life again.