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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: 49 min 11 sec ago

Lifestyle intervention leads to 10-point drop in systolic blood pressure

Tue, 03/21/2017 - 07:00
In the first randomized, double-blinded trial of an online behavioral intervention for high blood pressure, participants in web-based lifestyle counseling reduced their systolic blood pressure (the...

Could new markers identify patients at high risk of AFib recurrence after ablation?

Mon, 03/20/2017 - 14:00
A study found that atrial fibrillation was more likely to recur following ablation therapy in patients with low levels of three microRNAs in their blood.

Study suggests new drug alongside statins can significantly cut cholesterol

Mon, 03/20/2017 - 13:00
A new class of cholesterol-lowering drug has been found to help patients cut their risk of cardiovascular disease, stroke and heart attack.

High uric acid levels in young children may result in higher blood pressure later on

Mon, 03/20/2017 - 07:00
A new article published in the American Journal of Hypertension finds that very young children with increased uric acid levels had higher blood pressure at 3 years of age.

Immune cell drives heart failure in mice

Mon, 03/20/2017 - 07:00
A new study in mice reveals that eosinophils, a type of disease-fighting white blood cell, appear to be at least partly responsible for the progression of heart muscle inflammation to heart failure...

Hard, not soft, plaque buildup may predict risk of heart attack

Sun, 03/19/2017 - 07:00
New research could change how we determine heart attack risk, as the buildup of soft atherosclerotic plaque seems to play a key role.

Living with AFib: Tips and outlook

Sun, 03/19/2017 - 07:00
In this article, learn about AFib and the recommended lifestyle changes a person may make. What does AFib do to the body and how might it be treated?

Study details death risks associated with long-term antiplatelet therapy

Fri, 03/17/2017 - 07:00
A study by a multi-institutional research team has tracked the long-term incidence of death following ischemic and bleeding events occurring in patients more than one year after placement of a...

Statin timing and dosage may improve heart surgery outcomes

Fri, 03/17/2017 - 07:00
Patients on statins should not stop taking the cholesterol-lowering medication before heart surgery - even on the day of surgery, according to an article posted online in The Annals of Thoracic...

Immune cell may turn heart inflammation into heart failure

Thu, 03/16/2017 - 15:00
New research examines the role of a type of white blood cells called eosinophils on heart inflammation, dilated cardiomyopathy, and heart failure in mice.

Vitamin E may decrease the risk of acute kidney injury after coronary catheterization

Thu, 03/16/2017 - 13:00
Acute kidney injury is quite a common adverse effect that associates with coronary angiography and percutaneous coronary interventions.

Delirium is associated with 5-fold increased mortality in acute cardiac patients

Thu, 03/16/2017 - 13:00
Delirium is associated with a five-fold increase in mortality in acute cardiac patients, according to research published in European Heart Journal: Acute Cardiovascular Care.

AFib surgery: Types, risks, and what to expect

Wed, 03/15/2017 - 07:00
In this article, learn what atrial fibrillation is, how AFib is treated, the different surgical procedures available, and the risks involved.

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.

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