what did susan atkins die of?
Brain tumor Cancer
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 Prior to her death on December 28 , 2014 , Alcorn had scheduled for her suicide note to be automatically posted on her Tumblr account at 5.30pm. In the note , she stated her intention to end her life , commenting : 

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 Of the incident , Ryder explained to Interview that it occurred during a time in her career where she was clinically depressed . She also stated that the heavy painkilling medication she was prescribed at the time by a quack doctor had significantly clouded her judgment . 

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 Terri Schiavo died at a Pinellas Park hospice on March 31 , 2005 . Although there was concern that Schiavo would experience significant symptoms from dehydration with the removal of the feeding tube , studies have shown that patients who have their feeding tubes removed , such as the case of Schiavo , usually have a peaceful death . 

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 Irene Smythe was diagnosed with cancer after Christmas 1963 . The illness progressed and Irene died on June 20 , 1965 . Due to the amount of pain Irene endured , Conn and Irene considered using a revolver to end her life , but near the end she told Conn that it was a " coward 's way out " and she endured . After the amount of pain Irene endured , Smythe called her death a " blessed release . " Smythe set up a foundation at the University of Toronto in her name , which opened the Irene Eleanor Smythe Pain Clinic at Toronto General Hospital . 

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 Between 2008 and 2010 , Lebrón was hospitalized multiple times , the first being due to a fall that fractured her hip and an arm , requiring surgery . On September 18 , 2009 , she suffered a notable relapse due to a cardio respiratory affection . Lebrón recovered in a satisfactory manner and issued a press release in appreciation for the public 's support . Complications from this episode of bronchitis , however , persisted throughout 2010 , leading to her death on August 1 , 2010 . Multiple public figures , who support independence or free association for Puerto Rico , immediately lamented Lebrón 's death , praising her activism . Her life was eulogized even in European papers . 
