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The award winning Skyfall singer, 25, is on a list of things that men “should avoid if they want to be straight”.

Openly gay doctor Christian Jessen, 37, makes the bizarre discovery in Channel 4’s Cure Me I’m Gay, which sees him visiting the States to test several “therapies’’.

Retired doctor John Smid from Texas offers rehab and orders him to strip his life of things that encourage him to be gay.

He throws out Jessen’s Adele CD and tells him: “Adele is very popular within the gay community. You have to listen to Christian music.”

Smid also makes him bin his tight undies claiming they will “stir his sensuality” and make him want sex.

In Dallas he visits a doctor who says he can change people’s sexuality through colouring books.

Back in London he meets a pastor who offers exorcisms to rid people of “gay demons’’.

Christian says: “I am astounded that in this day and age people still think that being gay is a curable condition. It’s a load of utter rubbish.”

Undercover Doctor: Cure Me I’m Gay is on Channel 4 at 10pm.