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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 2 min ago

Can you be healthy and have obesity? Not really, says major study

Sun, 05/21/2017 - 07:00
The largest study of its kind to date investigates the idea of 'healthy obesity' and deems it a myth. Obese people are still at a higher risk of illness.

Hypertension before the age of 55 increases risk of cardiovascular death

Fri, 05/19/2017 - 13:00
When someone gets diagnosed with hypertension, either early (before the age of 55) or later in life, can have important health ramifications.

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

Fri, 05/19/2017 - 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...

Cardiovascular disease causes one-third of deaths worldwide

Thu, 05/18/2017 - 07:00
Cardiovascular diseases (CVD), including heart diseases and stroke, account for one-third of deaths throughout the world, according to a new scientific study that examined every country over the past...

Diabetes and life expectancy: What effect does type 2 diabetes have?

Tue, 05/16/2017 - 16:00
What is the life expectancy of people with type 2 diabetes and what are the risk factors? Learn about what causes diabetes to shorten life expectancy.

First ever nasal spray therapy successful in treating rapid heart rate condition

Tue, 05/16/2017 - 13:00
New study results show innovative medication has potential to change the way patients are treated for a debilitating cardiac arrhythmia.

Ten signs of uncontrolled diabetes

Tue, 05/16/2017 - 07:00
As many as a third of adults with type 2 diabetes do not know they have it. In this article, learn about the common signs of uncontrolled diabetes.

Early menopause, never giving birth may raise heart failure risk

Tue, 05/16/2017 - 07:00
A new study shows that factors such as an early menopause, a shorter reproductive period, and never giving birth influence a woman's risk of heart failure.

BMI not the only reliable indicator of heart disease

Tue, 05/16/2017 - 07:00
Waist-to-hip ratio may be a stronger indicator of some cardiovascular illnesses than the commonly-used measure BMI, according to a new UCL-led study.

Hundreds of thousands of strokes may be preventable each year

Tue, 05/16/2017 - 07:00
Many patients with an irregular heartbeat, known as atrial fibrillation, are not receiving recommended blood thinning medication they need to prevent strokes, according to a study published in the...

Severe mental illness linked to much higher risk for cardiovascular disease

Tue, 05/16/2017 - 07:00
An international study of more than 3.2 million people with severe mental illness reveals a substantially increased risk for developing cardiovascular disease compared to the general population.

Respiratory infections raise heart attack risk by 17 times

Mon, 05/15/2017 - 14:00
A new study suggests that during the first 7 days of a respiratory infection, the risk of having a heart attack is 17 times higher.

Aspirin not an effective treatment for atrial fibrillation, study suggests

Mon, 05/15/2017 - 07:00
New research investigates the long-term impact of using aspirin instead of blood thinners in patients with atrial fibrillation who underwent an ablation.

Stroke: Hispanic patients have delayed treatment times, study finds

Sat, 05/13/2017 - 07:00
Researchers have found that door-to-needle treatment times are longer for Hispanic ischemic stroke patients than non-Hispanic white patients.

Statins: How safe are they?

Fri, 05/12/2017 - 15:00
The adverse effects of taking statins have repeatedly been under the spotlight. However, are these fears unfounded? MNT take a look at statin safety.

Delaying blood thinning treatment may raise dementia risk

Fri, 05/12/2017 - 07:00
Patients with atrial fibrillation should begin anticoagulation treatment as quickly as possible, suggests new study, as delays may increase dementia risk.

NSAIDs may raise heart attack risk in first week of use

Wed, 05/10/2017 - 07:00
Researchers have found that using ibuprofen and other nonsteroidal anti-inflammatory drugs for as a little as 1 week may raise the risk of heart attack.

Study reveals low adoption of advice to reduce nuclear cardiology radiation exposure

Wed, 05/10/2017 - 07:00
A study in 65 countries has revealed low adoption of International Atomic Energy Agency recommendations to reduce nuclear cardiology radiation exposure.

Catheter or surgery? Clinical study on heart valve replacement begins

Wed, 05/10/2017 - 07:00
One of the most common acquired heart diseases in the over 75's is aortic valve stenosis. Normally, it requires the replacement of the valve.

Caution: Energy drinks put individuals with genetic heart condition at risk

Wed, 05/10/2017 - 07:00
Caffeinated energy drinks can trigger serious cardiac events including cardiac arrest in individuals not known to have a specific heart disease of genetic origin.