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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: 51 min 39 sec ago

Discovery could help doctors to spot cardiovascular disease at an earlier stage

Thu, 02/23/2017 - 08:00
Screening methods for cardiovascular diseases such as heart attacks and strokes could be improved by measuring different biological signposts to those currently being tested, a new study led by...

Heart risks in middle age boost dementia risk later in life

Wed, 02/22/2017 - 19:00
Smoking, high blood pressure and diabetes were all dementia risks, with diabetes in middle age raising the risk almost as much as a genetic risk factor for Alzheimer's disease.

Kids with heart defects face learning challenges, inadequate school support

Wed, 02/22/2017 - 08:00
Children with congenital heart defects are less likely to meet minimum standards in third-grade reading and math end-of-year testing than peers.

Women with mild heart blockage report poorer health, more anxiety and negativity than men

Tue, 02/21/2017 - 21:00
Women with mild blockage of coronary arteries report poorer health, more anxiety and a more negative outlook than men with the same condition, according to new research in the American Heart...

What are the benefits and risks of testosterone therapy? Studies investigate

Tue, 02/21/2017 - 16:00
Five studies documenting the health effects of testosterone replacement therapy suggest the hormone improves bone density, but it may pose cardiac risk.

Radial access, same-day cardiac procedure could save $300 million annually

Tue, 02/21/2017 - 08:00
If hospitals can perform more transradial, same-day percutaneous coronary intervention, or PCIs, not only will patients benefit because it is associated with have less complications, but...

Heavy drinking may raise cardiovascular risk by aging the arteries

Tue, 02/21/2017 - 08:00
A new study suggests long-term, consistent heavy drinking may cause arteries to age prematurely and increase cardiovascular risk, especially in men.

Chest pain: New tool helps doctors decide when tests are needed

Fri, 02/17/2017 - 14:00
A two year follow-up on a study involving more than 10,000 people with stable chest pain finds that an online tool can accurately predict which patients are likely to have normal non-invasive tests...

Fish affected by Deepwater Horizon spill give clues to air pollution heart disease

Fri, 02/17/2017 - 08:00
A study by Manchester and Stanford scientists into the effects on fish of a 2010 oil disaster could shed new light on how air pollution affects humans' hearts.

Statin side effects are strongest predictor of failure to meet cholesterol targets

Wed, 02/15/2017 - 08:00
Statin side effects are the strongest predictor of failure to meet low-density lipoprotein (LDL) cholesterol targets, according to research published in the European Journal of Preventive...

Shock from heart device often triggers further health care needs

Wed, 02/15/2017 - 08:00
A shock from an implantable cardioverter defibrillator (ICD) may trigger an increase in health care needs for many people, regardless whether the shock was medically necessary, according to a new...

Dietary supplement could improve heart health

Wed, 02/15/2017 - 08:00
Dietary intervention could benefit heart health in those with muscular dystrophy. That's according to new research published in Experimental Physiology.

Abdominal fat may cause type 2 diabetes, heart disease

Wed, 02/15/2017 - 08:00
A new study finds that having a genetic predisposition to a higher waist-to-hip ratio adjusted for BMI is linked to type 2 diabetes and heart disease.

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.

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