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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: 2 hours 7 min ago

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.

New gene-editing technology partially restores vision in blind animals

Fri, 11/18/2016 - 08:00
Salk Institute researchers have discovered a holy grail of gene editing - the ability to, for the first time, insert DNA at a target location into the non-dividing cells that make up the majority...

Knowing your fitness number predicts your risk for future ill health

Fri, 11/18/2016 - 08:00
It is well known that individuals who are unfit are at substantially greater risk for lifestyle-related diseases and premature death.

Simple genetic test shows promise for better outcomes in heart stent patients

Thu, 11/17/2016 - 14:00
A quick, precise genetic test can significantly reduce the risk of cardiovascular events by helping to identify more effective medication for some heart patients, a group led by University of...

High blood pressure: Global total almost doubles in 4 decades

Wed, 11/16/2016 - 15:00
The number of people with high blood pressure nearly doubled between 1975-2015, with developing countries seeing the largest rise, a new report reveals.

Prescribing drugs for cardiovascular disease prevention in the UK - can it be improved to prevent strokes?

Wed, 11/16/2016 - 13:00
Drugs such as statins that have the potential to prevent strokes and other types of cardiovascular disease have not been prescribed to a large proportion of people at risk in the UK, according to a...

Common heartburn drugs may raise stroke risk

Wed, 11/16/2016 - 08:00
Drugs commonly used to treat heartburn - proton pump inhibitors - may increase the risk of ischemic stroke by more than a fifth, a new study finds.

Dementia risk increased with use of blood-thinning drugs

Wed, 11/16/2016 - 08:00
New research finds patients who use anticoagulants - especially those with irregular heartbeat - may be at greater risk of developing dementia.

Yo-yo dieting may increase risk of heart disease death

Tue, 11/15/2016 - 17:00
New research suggests that repeatedly losing weight and regaining it can be dangerous for your heart, even if you are not overweight.

Poor sleep may increase risk for irregular heart rhythms

Tue, 11/15/2016 - 08:00
Poor sleep - even if you don't have sleep apnea - may be linked to higher risks of developing an irregular heartbeat.

Offspring may have higher risk for developing hypertension if their parents had hypertension before age 55

Mon, 11/14/2016 - 21:00
If your parents were diagnosed with high blood pressure before age 55, you may be at higher risk for developing high blood pressure than if they developed hypertension at a later age, according to...

Bariatric surgery may reduce heart failure risk

Mon, 11/14/2016 - 17:00
Bariatric surgery and other treatments that cause substantial weight loss can significantly reduce the risk of heart failure in obese patients, according to preliminary research presented at the...

New statin guidlines issued for primary CVD prevention

Mon, 11/14/2016 - 17:00
The United States Preventive Services Task Force have issued new recommendations for the use of statins in primary prevention of cardiovascular disease.