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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: 27 min 17 sec ago

Thousands of heart patients missing out on cardiac rehabilitation

Fri, 12/02/2016 - 08:00
Thousands of heart patients are missing out on cardiac rehabilitation following a heart attack, increasing their risk of suffering a fatal event, according to new figures released by the British...

Correlates of overweight and obesity among adolescents with bipolar disorder in the national comorbidity survey

Fri, 12/02/2016 - 08:00
Bipolar disorder is one of the most disabling medical conditions among adolescents worldwide.

World first MRI study sheds light on heart damage during kidney dialysis

Thu, 12/01/2016 - 14:00
Experts in magnetic resonance imaging (MRI) and kidney disease have carried out the first ever scans to study the heart function of kidney patients while they are having dialysis treatment.

Leading heart professor recognised as top global researcher

Thu, 12/01/2016 - 14:00
The "valuable and significant" work of a University of Leicester heart professor has won him recognition as one of the world's most influential scientists.

Genetic link to fatal health condition could aid future treatment

Wed, 11/30/2016 - 14:00
Thousands of lives could be saved every year after it was discovered a fatal cardiovascular condition could be linked to four genes, research has found.

Exercise extends life, but which exercise is best?

Wed, 11/30/2016 - 08:00
It is common knowledge that sports can extend life and improve heart health, but the question of which exercise is best has rarely been broached.

Heart attack risk over eight times higher for younger smokers

Wed, 11/30/2016 - 08:00
Smokers who are under 50 years of age are at a much higher risk of developing a specific type of heart attack, according to a new study.

Preventing heart failure risk factors in midlife substantially lowers risk

Tue, 11/29/2016 - 08:00
Preventing the development of hypertension, obesity and diabetes by the age of 45 to 55 years may lead up to an 86 percent lower risk for heart failure through the remainder of life, according to...

Why is heart growth beneficial in some circumstances but detrimental in others?

Tue, 11/29/2016 - 08:00
Why is heart growth beneficial in some circumstances but detrimental in others?

Heart disease: Consuming too much saturated fat may raise risk

Thu, 11/24/2016 - 15:00
A study finds high intakes of common saturated fats - such as those found in red meat, dairy fat, butter, and palm oil - may raise risk of heart disease.

Lowest stroke rates in older baby boomers; younger people rising

Thu, 11/24/2016 - 14:00
Stroke rates continue to decline in people 55 and older, while more than doubling in those between 35 and 39, according to new research in Journal of the American Heart Association, the Open Access...

Study finds key protein that binds to LDL cholesterol

Wed, 11/23/2016 - 08:00
A Yale-led research team identified a protein that plays an important role in the buildup of LDL cholesterol in blood vessels.

Heart failure: Faulty gene carried by 1 percent of people

Tue, 11/22/2016 - 15:00
A gene variant carried by 1 percent of people could trigger heart failure if the organ is stressed, e.g. by high blood pressure or pregnancy, study finds.

Risk of hemorrhage with statins and stroke prevention drug combination

Tue, 11/22/2016 - 14:00
Two commonly used statins can increase the risk of hemorrhage when combined with dabigatran etexilate, a drug often used for preventing stroke in patients with atrial fibrillation, according to a...

Around 600,000 in UK living with faulty gene that could lead to heart failure

Tue, 11/22/2016 - 08:00
Around 1 per cent of the population carry a faulty gene which could trigger a dangerous heart condition in seemingly healthy people, if the heart is placed under abnormal stress, such as through...

CDC estimates preventable deaths from 5 leading causes

Mon, 11/21/2016 - 11:00
Preventable cancer, stroke, and heart deaths down; preventable injury deaths up.

Reducing salt intake may help protect kidney patients' heart and kidney health

Mon, 11/21/2016 - 08:00
New research indicates that reducing sodium intake may provide kidney and heart benefits for patients with chronic kidney disease (CKD).

Pessimists more likely to die from heart disease

Sun, 11/20/2016 - 08:00
Researchers find that patients with coronary heart disease who have higher levels of pessimism are more likely to die from their condition.

Why raising good cholesterol may not always protect against heart disease

Fri, 11/18/2016 - 14:00
Good cholesterol is well associated with lower cardiovascular disease risk, but just raising high-density lipoprotein (HDL) levels have produced disappointing results in recent clinical trials.

Investigating how a heart can turn to bone

Fri, 11/18/2016 - 08:00
Injured tissue is known to calcify, effectively turning it to bone. Although the mechanisms involved are poorly understood, new research adds a new layer.