Demi Lovato rushed to hospital after suffering 'heroin overdose' - Daily News #DemiLovato, #rushed, #hospital, #after, #suffering, #heroin, #overdose /form Demi Lovato has been rushed to hospital after suffering what appears to be a heroin overdose, according to US reports.   Law enforcement sources have told TMZ that the singer has been taken to a Los Angeles hospital.  The website reports that the Cool For The Summer hitmaker was taken from a home in the Hollywood Hills just before noon on Tuesday.  They say she is currently being treated, but that her condition is unknown.  Demi has fought addiction and substance abuse for years, and has been open about her battles and her stint in rehab.  For a while, the star lived in a sober living home after being released from a treatment center.  She had been sober from cocaine for six years.  Just last month, she released a song called Sober, which detailed how she had fallen off the wagon.  A live video saw her get emotional as she performed the song in front of an audience for the first time.  And sources tell the US site that Demi was scheduled to go back on the road this week but that she had been "struggling".  Demi laid her issues bare in new single Sober, apologising to her parents, her fans, and future lovers for her battle with alcohol.  The star, who rose to fame as a youngster in Disney Channel Original Movie Camp Rock, has spoken very openly about her struggles with alcohol, substances and self-harm in the past.