Paolo Nutini has admitted to smoking dope "every single day since he was 16."

The Scottish singer has also defended One Direction over a recent video which appeared to show them smoking the drug.

In an interview with Q magazine the singer claimed weed is no worse than alcohol.

He called on the world to "get to grips" with marijuana.

The 27-year-old told the magazine "Can the world please get to grips with marijuana?

"How long can this go on? Don't get me wrong, give it to the wrong person, marijuana can spawn all kinds of things, but no more than alcohol.

"Come on, people have been saying this for 40 years."

Asked whether he smokes dope, Nutini said: "Every day since I was about 16, it just keeps you going."

The 27-year-old also told of a recent injury sustained in an embarrassing mishap while stoned: "I launched into a chunky KitKat and it took out a tooth."

The star then went on to defend One Direction after a recent video appeared to show member's Zayn Malik and Louis Tomlinson smoking a joint.

"One Direction can't have a joint? they're bad role models? Come on."

He added: "They're men now.

Paolo Nutini takes to Glastonbury stage on Friday night.

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