Overview of the Disease of the Heart | Sponsor: IM8 | The Reason Heart Disease is the #1 Killer Worldwide | Atherosclerosis: Blockages of the Heart Arteries | Diseases that Affect the Valves of the Heart | Aortic Stenosis: Blocked Valve | Aortic Regurgitation: Leaky Valve | Sponsor: Momentous | Mitral Valve Leakage | Types of Electrical Abnormalities of the Heart | Atrial Fibrillation (AFib) - Fast Heart Rates | Heart Block - Slow Heart Rates | Overview of the Diseases of the Heart & Importance of the Strength of the Heart Muscle