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The cardiovascular system is comprised of the heart and the network of arteries, veins, and capillaries that carries blood throughout the body. The average adult male has between 5-6 liters of blood while the average adult female has 4-5 liters. Blood transports oxygen and essential nutrients to all of the living cells in the body, and also carries waste products from the tissues to the systems of the body through which they are removed.
Updated: 1 min 49 sec ago

Peripartum cardiomyopathy occurs globally and is not a disease of the poor

Tue, 03/14/2017 - 07:00
Peripartum cardiomyopathy (PPCM) occurs globally and is not a disease of the poor, according to research published in the European Journal of Heart Failure.

Fertility treatment failure may harm women's heart health

Mon, 03/13/2017 - 07:00
Women who did not become pregnant after fertility therapy were found to be at greater risk of cardiovascular events than those who gave birth, study finds.

Impotence medicine associated with reduced long-term risk of death after heart attack

Mon, 03/13/2017 - 07:00
Common impotence drugs such as Viagra may have a life-prolonging effect on patients who have suffered a myocardial infarction, a paper published by researchers at Karolinska Institutet suggests.

Gene found to cause sudden death in young people

Mon, 03/13/2017 - 07:00
Researchers from Canada, South Africa and Italy have identified a new gene that can lead to sudden death among young people and athletes.

Sudden drops in blood pressure may increase risk of dementia

Sun, 03/12/2017 - 07:00
A new study finds a link between experiencing rapid drops in blood pressure in middle age and the risk of dementia 20 years later.

Poor diet to blame for almost half of CVD deaths

Fri, 03/10/2017 - 17:00
A poor diet - especially one low in nuts and vegetables - accounts for more than 415,000 deaths from cardiovascular disease in the U.S., new study finds.

Marijuana use may raise stroke, heart failure risk

Fri, 03/10/2017 - 08:00
An analysis of more than 20 million health records has uncovered an association between marijuana use and greater risk of stroke and heart failure.

Paroxysmal atrial fibrillation: Causes, symptoms, and treatment

Fri, 03/10/2017 - 08:00
In this article, learn about what paroxysmal atrial fibrillation is and what its complications could be. Does paroxysmal AFib affect day-to-day life?

Wrist-worn heart rate monitors less accurate than standard chest strap

Fri, 03/10/2017 - 08:00
Researchers at Cleveland Clinic put five popular wrist-worn fitness trackers to the test to find out how accurately they gauge heart rate across several types of exercise and intensity levels.

Younger heart attack patients more likely to have low 'good' cholesterol vs. elevated 'bad' cholesterol

Fri, 03/10/2017 - 08:00
Men under 45 years old and women under 50 years old who suffer a heart attack are far more likely to have abnormally low good cholesterol than elevated bad cholesterol, according to research...

High folic acid level in pregnancy may decrease high blood pressure in children

Fri, 03/10/2017 - 08:00
A new article published in the American Journal of Hypertension finds that babies born to mothers with cardiometabolic risk factors were less likely to develop high blood pressure if their mothers...

After heart attack, people with depression twice as likely to die

Thu, 03/09/2017 - 08:00
A new long-term study finds that people who had a heart attack or angina may be twice as likely to die if they also have depression.

Blood pressure could be more effectively controlled as new treatment target is discovered

Wed, 03/08/2017 - 08:00
New more effective treatments for high blood pressure could be possible thanks to the discovery that the nitric oxide that regulates blood pressure is formed in nerves rather than in the walls of...

Screening for heart disease may lead to prevention, better treatments

Tue, 03/07/2017 - 14:00
Through computed tomography (CT) images of the heart and other types of imaging, build-up of dangerous coronary plaques - which restrict the flow of blood to the heart - can be detected, even...

Hydraulic forces help to fill the heart

Fri, 03/03/2017 - 14:00
Researchers at Karolinska Institutet and KTH Royal Institute of Technology in Sweden have contributed to a recent discovery that the heart is filled with the aid of hydraulic forces, the same as...

New treatment for fatty liver disease and type 2 diabetes burns up fat in liver

Fri, 03/03/2017 - 14:00
Researchers in Sweden are planning the clinical trial of a new treatment for nonalcoholic fatty liver disease and type 2 diabetes which harnesses liver cells' own ability to burn accumulated fats.

Desk jobs are bad for your heart and your waist

Fri, 03/03/2017 - 08:00
A new study shows further evidence for the view that spending too much time sitting down is bad for our health and our waistline.

Benefits of physical activity may outweigh impact of obesity on cardiovascular disease

Wed, 03/01/2017 - 14:00
The benefits of physical activity may outweigh the impact of overweight and obesity on cardiovascular disease in middle-aged and elderly people, according to research published today in the...

Researchers aim to debunk myths on antioxidant pills, juicing, other dietary fads

Wed, 03/01/2017 - 08:00
Researchers analyzed nutrition studies in a new review published in the Journal of the American College of Cardiology, which intends to cut through the confusion about the best dietary patterns to...

Light beam replaces blood test during heart surgery

Wed, 03/01/2017 - 08:00
A University of Central Florida professor has invented a way to use light to continuously monitor a surgical patient's blood, for the first time providing a real-time status during life-and-death...