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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 hour 20 min ago

Multiscale modeling reveals key events during early atherosclerotic plaque development

Tue, 05/30/2017 - 07:00
A new computational modeling technique could indicate when atherosclerotic plaques will likely undergo rapid growth, reports a study published in PLOS Computational Biology.

Diesel pollution linked to heart damage

Mon, 05/29/2017 - 07:00
Diesel pollution is linked with heart damage, according to research presented at EuroCMR 2017.

Paper test strip could help heart failure patients monitor their condition at home

Mon, 05/29/2017 - 07:00
Contrary to the condition's name, heart failure doesn't mean the heart has stopped pumping - it's just not working at full strength.

Pain in left arm: Possible causes, other symptoms, and treatment

Sat, 05/27/2017 - 16:00
Learn about the possible causes of left arm pain, including angina, skeletomuscular injury, and heart attack. When should you see a doctor?

Statins may improve heart structure, function

Fri, 05/26/2017 - 16:00
Study suggests that people who use statins are less likely to have a thickened heart muscle and an enlarged heart - both risk factors for heart disease.

The Lazarus phenomenon: When the 'dead' come back to life

Fri, 05/26/2017 - 15:00
It is not often that patients who have been declared dead return to life, but it does happen. We explore what is known as the Lazarus phenomenon.

Isolated Greek villages reveal genetic secrets that protect against heart disease

Fri, 05/26/2017 - 13:00
A genetic variant that protects the heart against cardiovascular disease has been discovered by researchers at the Wellcome Trust Sanger Institute and their collaborators.

Lack of sleep increases death risk in people with metabolic syndrome

Thu, 05/25/2017 - 07:00
A new study concludes that individuals with metabolic syndrome that sleep for under 6 hours per night could have an increased cardiovascular risk.

Preterm birth linked to higher risk of heart failure

Thu, 05/25/2017 - 07:00
Babies born preterm run a higher risk of heart failure during childhood and adolescence than those born at full term, researchers at Karolinska Institutet in Sweden report.

Researchers find piece in inflammatory disease puzzle

Wed, 05/24/2017 - 16:00
Inflammation is the process by which the body responds to injury or infection but when this process becomes out of control it can cause disease.

Chocolate may cut risk of irregular heartbeat by a fifth

Wed, 05/24/2017 - 07:00
A little bit of what you fancy really does do you good; researchers say that moderate chocolate intake may reduce the risk of atrial fibrillation.

Genes responsible for severe congenital heart disease identified by researchers

Wed, 05/24/2017 - 07:00
The first known identification of two genes responsible for hypoplastic left heart syndrome (HLHS), a severe congenital heart defect, has been reported by researchers at the University of Pittsburgh...

Obstructive sleep apnea might lead to irregular heartbeat

Tue, 05/23/2017 - 07:00
Patients with obstructive sleep apnea may face a greater risk of atrial fibrillation, or irregular, rapid heartbeat, new research suggests.

Chronic anabolic steroid use may damage heart, arteries

Tue, 05/23/2017 - 07:00
Long-term anabolic-androgenic steroid use may reduce the heart's ability to pump blood throughout the body, according to new research in the American Heart Association's journal Circulation.

New research could help develop drugs to better address heart problems in diabetics

Tue, 05/23/2017 - 07:00
Research published in Experimental Physiology shows that diabetes-induced changes in heartbeat are primarily regulated by the β1-adrenoceptor.

Older adults may not benefit from taking statins to prevent heart disease

Mon, 05/22/2017 - 15:00
An analysis of clinical trial data finds no benefit in giving older adults statins for primary prevention of cardiovascular disease.

Does moderate drinking really protect against heart disease?

Mon, 05/22/2017 - 14:00
A new review finds the existing research to be biased and suggests that moderate drinking does not stave off heart disease after all.

Heart failure and stroke identified as lethal combination

Mon, 05/22/2017 - 13:00
Heart failure patients with previous stroke had greater risks of depression, hospitalisation and death.

Eating more fruits and vegetables may lower risk of blockages in leg arteries

Mon, 05/22/2017 - 07:00
Eating three or more servings of fruit and vegetables per day may lower your risk of developing peripheral artery disease (PAD), according to new research in Arteriosclerosis, Thrombosis and Vascular...

Urine test finds what makes people say no to blood pressure lowering pills

Mon, 05/22/2017 - 07:00
University of Manchester researchers together with their UK and overseas collaborators have found out that more than one third of 1,400 people with high blood pressure have not been taking their...