Andy Griffith's death certificate says the 86-year-old actor's death earlier this week was caused by a heart attack, according to news reports. Griffith suffered attack 24 hours before he passed away.
Andy Griffith died early Tuesday. Medical examiners also say suffered for years from other illnesses, including coronary artery disease, hypertension and hyperlipidemia. He likely suffered from high cholesterol or high triglycerides. ...