Casey Johnson’s Cause of Death

A Los Angeles coroner has ruled the death of heiress Casey Johnson was of natural causes. People.com reports the coroner’s statement as reading the specific cause of death was “diabetic ketoacidosis,” a condition caused by a shortage of insulin. Johnson had suffered from diabetes since she was a chid. The Johnson & Johnson heiress, 30, is survived by her 3 year old adopted daughter, Ava.

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