Cardiovascular disease is the leading cause of death in the U.S. It’s important to learn about your heart to help prevent it. If you have it, you can live a healthier, more active life by learning about your disease and taking care of yourself. Types of cardiovascular disease can have various causes, so it’s important to know the difference; Abnormal Heart Rhythms, Aorta Disease and Marfan Syndrome, Cardiomyopathies. Cardiovascular diseases are conditions that affect the structures or function of your heart, such as: Abnormal heart rhythms, or arrhythmias, Aorta disease and Marfan syndrome, Congenital heart disease, Coronary artery disease (narrowing of the arteries). A journal is an enclosed record that can be used to detail everything from your research about a particular field. It is meant to collect one's ideas and observations on any number of things and put the happenings of each day into writing.