(NEWSER) – NFL star Junior Seau had no alcohol or illegal drugs in his system when he committed suicide earlier this year, according to an autopsy report obtained by TMZ. Medical examiners found traces of the sleeping aid Ambien, but only in amounts "consistent with therapeutic use," the report states. The 43-year-old former San Diego Charger star shot himself in the chest with a revolver. The initial examination of his brain found no trace of damage from his years of playing football, but his family has sent brain tissue to the National Institutes of Health for a more detailed examination, reports the Los Angeles Times.

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