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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 15 min ago

Mediterranean diet enriched with virgin olive oil may protect the heart

Tue, 02/14/2017 - 08:00
New research suggests that a Mediterranean diet rich in virgin olive oil may boost the cardioprotective benefits of HDL 'good' cholesterol.

Exploring the role of blood flow during cardiac events

Mon, 02/13/2017 - 20:00
Cardiovascular diseases are the leading cause of deaths worldwide yet researchers still don't fully understand how blood flows or even which components within blood can lead to cardiac issues.

Snow shoveling may increase risk of heart attack in men

Mon, 02/13/2017 - 17:00
New research finds associations between heavy, long-lasting snowfall and an increased risk of myocardial infection in men. Snow shoveling may be the cause.

Obesity may raise heart risk by triggering harmful immune response

Mon, 02/13/2017 - 15:00
New research suggests that obesity caused by a high-fat diet increases immune system T cells, resulting in inflammation that raises cardiovascular risk.

Glucose or fructose: A new study about the impact of sugar on metabolism and cardiovascular health

Mon, 02/13/2017 - 08:00
The kind of consumed sugar - not only the taken quantity - can determine the risk of suffering from metabolic and vascular diseases, according to a study carried out on laboratory animals and led...

Amphetamine use may 'speed up' heart aging

Sat, 02/11/2017 - 08:00
Using amphetamines may accelerate aging of the heart, suggest researchers. They emphasize that stimulant abusers do physiological and cardiovascular harm.

Endurance training may have a protective effect on the heart

Tue, 02/07/2017 - 08:00
Findings published in Experimental Physiology suggest that exercise could be just as important for your heart heath as cholesterol and a healthy diet.

Using NSAIDs during a cold may increase heart attack risk

Mon, 02/06/2017 - 08:00
Taking NSAIDs during acute respiratory infections such as a cold or flu may increase the risk of heart attack, new research finds.

Skin sodium content linked to heart problems in patients with kidney disease

Mon, 02/06/2017 - 08:00
New research may provide insights concerning the cause of changes in the heart's structure that often occur in patients with chronic kidney disease (CKD).

Vitamin C may decrease the risk of atrial fibrillation after cardiac surgery, but not in the USA

Thu, 02/02/2017 - 14:00
Vitamin C decreased the incidence of post-operative atrial fibrillation (AF) by 44% in cardiac surgery patients in nine randomized trials that were conducted outside of the USA according to a...

Parents of children with serious heart defects may be at risk of PTSD

Thu, 02/02/2017 - 08:00
Parents of children with "critical" congenital heart defects - which require at least one cardiac surgery - are at high risk for mental health problems, particularly post-traumatic stress disorder...

E-cigarettes may increase cardiovascular risk

Wed, 02/01/2017 - 16:00
New research investigates the link between regular electronic cigarette use and cardiovascular risk factors in healthy individuals.

New tool can help identify patients who can be safely moved from cardiac monitors in emergency departments

Tue, 01/31/2017 - 14:00
Emergency departments have a new tool to identify patients with chest pain who can be removed safely from cardiac monitoring, with validation of the Ottawa Chest Pain Cardiac Monitoring Rule...

Regular meal patterns may protect against heart disease

Tue, 01/31/2017 - 08:00
A new statement released by the American Heart Association finds that planning and timing meals and snacks may help reduce heart disease risk.

Very low levels of bad cholesterol well-tolerated in heart disease patients

Tue, 01/31/2017 - 08:00
Heart disease patients taking PCSK9 inhibitors to achieve very low levels of cholesterol do not experience an increase in adverse events, including memory impairment or nervous system disorders...

Cardiovascular disease-related hospital admissions jump on second day after major snowfall

Tue, 01/31/2017 - 08:00
Hospital admissions for cardiovascular diseases decline on days with major snowfalls compared to days with no snowfall, but they jump by 23% two days later, according to a new study led by...

High blood pressure: More than 100 new genetic risk regions uncovered

Mon, 01/30/2017 - 17:00
Researchers have discovered 107 genetic regions associated with high blood pressure, which they say could lead to new treatments for the condition.

Obesity: Self-stigma may raise risk of metabolic syndrome

Sun, 01/29/2017 - 08:00
The risk of metabolic syndrome may be higher for obese individuals who apply negative stereotypes about weight to themselves, new research finds.

An international study opens the door to personalized treatment for heart failure

Thu, 01/26/2017 - 14:00
An international multicenter study has identified a molecule that will open the door to personalized treatment for heart failure.

Therapy for abnormal heartbeats may cause brain injury

Thu, 01/26/2017 - 10:00
A common treatment for irregular heartbeats known as catheter ablation may result in the formation of brain lesions when it is performed on the left side of the heart, according to new research at...

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