A toxicology report concluded that alcohol was not a factor in the death of Mary Kennedy, but anti-depressants were found in her system.
TMZ is reporting that The Westchester County medical examiner said Friday that three different types of anti-depressants were found, but no alcohol.
Kennedy, former wife of Robert F. Kennedy Jr., had preciously struggled with an alcohol addiction, leading to the speculation that alcohol may have played a factor in her death.
The toxicology report noted Trazodone, Desmethylvenlafaxine and Venlafaxine in the 52-year-old's system, all anti-depressants, according to TMZ.
Kennedy died in her home in New York on May 16.
She was said to have died of asphyxiation due to hanging.