Eminem claims that after he nearly died from his infamous drug overdose, it "took a long time" for his "brain to start working again."
The 49-year-old artist battled an addiction to prescription drugs.
After taking too much methadone, he was admitted to hospital in December 2007.
The rapper said that while he was detoxing and writing on his album "Relapse," he was taking "75 to 80 Valium a night."
He claimed that a song titled "Detroit Basketball" was leaked at the same time
The folks around me felt I might have caused myself brain damage because I was so mentally restless.