Will.i.am has opened up about his battle with Attention Deficit Hyperactivity Disorder.

The Black Eyed Peas star revealed he struggles with concentration and impulsiveness, but he is learning how to ''control it''.

He told the Sunday Mirror newspaper: ''I have ADHD, I'll admit it. Did you hear about the elephant that got into that fight with a gorilla? Sorry, that's my ADHD kicking in.

''I've got all this stuff in my head at the same time as I'm doing stuff and I don't know how to stop or slow down. But it's all good because I know how to control it.''

The producer - who is also currently a judge on 'The Voice' UK - admitted some of the ''traits'' of the disorder - such as restlessness and constantly thinking - impacts his music in a good way.

He explained: ''For every obstacle there is some type of solution. So if you have ADHD it's your passion point.

One thing I learned about ADHD is that it's hard to keep your attention and you can't sit still and you're always moving and thinking about a bunch of things.

''But those traits work well for me in studios and in meetings about creative ideas.''

It has even influenced his song writing in a big way, with many of his tracks becoming ''the most ADHD songs ever''.

He added: ''I've figured out a place for it. If you listen to the songs I write, they are the most ADHD songs every.

''They have five hooks in one and it all happens in three minutes. I figured out a way of working with it.''