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
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...
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.
A new class of cholesterol-lowering drug has been found to help patients cut their risk of cardiovascular disease, stroke and heart attack.
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.
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...
New research could change how we determine heart attack risk, as the buildup of soft atherosclerotic plaque seems to play a key role.
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?
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...
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...
New research examines the role of a type of white blood cells called eosinophils on heart inflammation, dilated cardiomyopathy, and heart failure in mice.
Acute kidney injury is quite a common adverse effect that associates with coronary angiography and percutaneous coronary interventions.
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.
In this article, learn what atrial fibrillation is, how AFib is treated, the different surgical procedures available, and the risks involved.
Peripartum cardiomyopathy (PPCM) occurs globally and is not a disease of the poor, according to research published in the European Journal of Heart Failure.
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.
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.
Researchers from Canada, South Africa and Italy have identified a new gene that can lead to sudden death among young people and athletes.
A new study finds a link between experiencing rapid drops in blood pressure in middle age and the risk of dementia 20 years later.
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.
An analysis of more than 20 million health records has uncovered an association between marijuana use and greater risk of stroke and heart failure.