Andy Griffith

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This world is missing one Andy Griffith, and now we know why.

After hearing of the actor's shocking passing just two days ago, The Andy Griffith Show star's death certificate revealed today that the 86-year-old died because of a heart attack, according to the Chicago Tribune.

The certificate claims the actor suffered the attack 24 hours before his death Tuesday morning.

It also highlights that Griffith had been dealing with coronary artery disease, hypertension and hyperlipidemia, a condition related to high cholesterol, for years.

The Matlock star was buried on the grounds of his farm on North Carolina's Roanoke Island, according to Twiford Funeral Homes. A small group of family and friends held a private service beforehand.

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