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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 54 min ago

Stretching may reduce walking pain among peripheral artery disease patients

Mon, 05/08/2017 - 07:00
Simple calf muscle stretching may reduce leg pain when walking and increase blood flow for people living with peripheral artery disease, according to a preliminary abstract presented at the American...

Death rate higher in women than men following discharge from emergency departments for heart arrhythmias

Mon, 05/08/2017 - 07:00
Atrial fibrillation and flutter (also known as AFF) is associated with serious health problems and is a significant contributor to death rates.

Can the antioxidant resveratrol reduce artery stiffness in diabetics?

Mon, 05/08/2017 - 07:00
Resveratrol, a natural compound found in red wine, peanuts, berries and the skin of red grapes, may reduce artery stiffness in some people with Type 2 diabetes, according to an abstract presented at...

Cinnamon may reduce the harms of a high-fat diet

Sun, 05/07/2017 - 07:00
Researchers found that rats fed cinnamon were less likely to endure the damaging effects of a high-fat diet, such as weight gain and increased belly fat.

Nearly 1 in 5 with highest cardiac risk don't think they need to improve health

Fri, 05/05/2017 - 07:00
Nearly one in five people who reported the greatest number of cardiac risk factors did not believe they needed to improve their health, according to new research in Journal of the American Heart...

Fluid flow in the brain unravelled for the first time

Thu, 05/04/2017 - 07:00
The puzzle of how the brain regulates blood flow to prevent it from being flooded and then starved every time the heart beats has been solved with the help of engineering.

Consumers warned about accuracy of heart rate apps

Thu, 05/04/2017 - 07:00
Consumers are being warned about the accuracy of heart rate apps after a study found huge variability between commercially available apps, even those using the same technology.

Do not avoid gluten unless you have celiac disease, researchers say

Wed, 05/03/2017 - 15:00
A new study looks at the link between long-term gluten consumption and coronary heart disease among people who do not have celiac disease.

Statins: no increase in muscle-related side effects in patients who are unaware they are taking the drug, analysis finds

Wed, 05/03/2017 - 13:00
When patients were unaware they were taking statins there was no reported increase in muscle-related symptoms.

Heart disease risks experienced in childhood impact cognition later in life

Tue, 05/02/2017 - 07:00
Cardiovascular risk factors such as high blood pressure, cholesterol and smoking have long been associated with cognitive deficiencies in adults.

Blood group may affect heart attack risk

Tue, 05/02/2017 - 07:00
Researchers have found that people with a non-O blood type - A, B, and AB - may be at greater risk of heart attack and other cardiovascular events.

Dual coil defibrillators still more common than single coil models

Mon, 05/01/2017 - 07:00
Emerging evidence suggests dual coil ICDs aren't more effective, harder to extract.

Face cooling may temporarily prevent cardiovascular shutdown following blood loss

Thu, 04/27/2017 - 14:00
As a first response, cooling a casualty's face with ice water may be an effective way to help prevent cardiovascular shutdown following blood loss.

Link between alcohol consumption and cardiac arrhythmias found in drinkers at the Munich Octoberfest

Thu, 04/27/2017 - 07:00
Researchers who studied beer drinkers at the Munich Octoberfest have found that the more alcohol consumed the higher was the likelihood of developing abnormal heart rhythms called cardiac...

Energy drinks linked to more heart, blood pressure changes than caffeinated drinks alone

Thu, 04/27/2017 - 07:00
Drinking 32 ounces of a commercially available energy drink resulted in more profound changes in the heart's electrical activity and blood pressure than drinking 32 ounces of a control drink with...

Women with aortic aneurysms fare much worse than men, new study finds

Thu, 04/27/2017 - 07:00
Mortality rates for women undergoing surgery for abdominal aortic aneurysms are nearly twice those for men, a new study has found.

Artery-clogging saturated fat myth debunked

Wed, 04/26/2017 - 07:00
Contrary to popular belief among doctors and the public, saturated fat does not clog up the arteries and cause coronary heart disease, say researchers.

High blood pressure: Sodium may not be the culprit

Tue, 04/25/2017 - 16:00
Over recent years, salt has been labelled as a hypertension-causing monster. A new study asks whether this accusation might be somewhat overblown.

Gut bacteria may turn common nutrient into clot-enhancing compound

Tue, 04/25/2017 - 13:00
Gut bacteria can produce a clot-enhancing compound when people eat a nutrient found in a variety of foods including meat, eggs and milk, according to new research in the American Heart...

Physical activity may ward off heart damage

Tue, 04/25/2017 - 13:00
Physical activity can lower the risk of heart damage in middle-aged and older adults and reduce the levels of heart damage in people who are obese, according to research published in JACC: Heart...

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