1 Best Seasonal Job Openings Halloween signals the start of the holiday shopping season. 2  Many companies achieve up to 40 percent of their annual sales during the months of November and December. 3  It is noâ¦.
Causes of cardiovascular disease. While cardiovascular disease can refer to different heart or blood vessel problems, the term is often used to mean damage to your heart or blood vessels by atherosclerosis (ath-ur-o-skluh-ROE-sis), a buildup of fatty plaques in your arteries.
1 Bacterial endocarditis, an infection of the inner lining of the heart muscle and heart valves (endocardium), is a cause of valvular heart disease. 2  High blood pressure and atherosclerosis may damage the aortic valve.3  A heart attack may damage the muscles that control the heart valves. High blood pressure and atherosclerosis may damage the aortic valve. 2  A heart attack may damage the muscles that control the heart valves. 3  Other disorders such as carcinoid tumors, rheumatoid arthritis, systemic lupus erythematosus, or syphilis may damage one or more heart valves.