Cardiovascular Disease

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Доставка поштовими службами, Інше, Міжнародна доставка
Cardiovascular disease (CVD) is a class of diseases that involve the heart or blood vessels. CVD includes coronary artery diseases (CAD) such as angina and myocardial infarction (commonly known as a heart attack).Other CVDs include stroke, heart failure, hypertensive heart disease, rheumatic heart disease, cardiomyopathy, abnormal heart rhythms, congenital heart disease, valvular heart disease, carditis, aortic aneurysms, peripheral artery disease, thromboembolic disease, and venous thrombosis.
 
The cardiovascular system
The blood from the heart travels from the left side of the heart and is rich in oxygen. It travels via arteries of ever-decreasing size till it reaches the narrowest of arteries called capillaries in all the organs and parts of the body.
Having delivered its oxygen and nutrients and having collected waste products, blood is brought back to the right side of the heart through a system of progressively enlarging veins. This is called the circulatory system or the cardiovascular system and is vital for living. Cardiovascular system literally means “cardio” or heart and “vascular” or a system or network of blood vessels. 
                                             
Risk Factors
There are many risk factors for heart diseases: age, sex, tobacco use, physical inactivity, non-alcoholic fatty liver disease, excessive alcohol consumption, unhealthy diet, obesity, genetic predisposition and family history of cardiovascular disease, raised blood pressure (hypertension), raised blood sugar (diabetes mellitus), raised blood cholesterol (hyperlipidemia), undiagnosed celiac disease, psychosocial factors, poverty and low educational status, air pollution, and poor sleep. While the individual contribution of each risk factor varies between different communities or ethnic groups the overall contribution of these risk factors is very consistent. Some of these risk factors, such as age, sex or family history/genetic predisposition, are immutable; however, many important cardiovascular risk factors are modifiable by lifestyle change, social change, drug treatment (for example prevention of hypertension, hyperlipidemia, and diabetes).People with obesity are at increased risk of atherosclerosis of the coronary arteries.
 
References
1.Clinic, Heart disease. «Heart disease». mayoclinic.org. Mayoclinic. Retrieved 2022-06-26.
2. Go AS, Mozaffarian D, Roger VL, Benjamin EJ, Berry JD, Borden WB, et al. (January 2013). «Heart disease and stroke statistics--2013 update: a report from the American Heart Association». Circulation. 
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