Cardiovascular diseases (CVDs) refer to a class of diseases that involve the heart or blood vessels They are a leading cause of death worldwide Here's a detailed overview:Types of Cardiovascular Diseases:Coronary Artery Disease (CAD): This occurs when the blood vessels that supply the heart with blood become narrowed or blocked by plaque, reducing blood flow to the heart muscleHeart Failure: This is a condition where the heart is unable to pump enough blood to meet the body's needs