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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 40 min ago

Breast implants may cause false ECG diagnosis of heart attack

Thu, 06/22/2017 - 14:00
A new study suggests that ECG recordings, which are used to diagnose heart attack and other disorders, can be abnormal in patients with breast implants.

Could a cholesterol-lowering vaccine replace statins?

Tue, 06/20/2017 - 14:00
Researchers reveal the development of a vaccine that successfully reduced 'bad' cholesterol and atherosclerosis in mice. It is now being tested in humans.

Study casts doubt about link between eczema, cardiovascular disease

Tue, 06/20/2017 - 13:00
For the roughly 7 percent of adults who live with atopic dermatitis, a common form of eczema, a new study reports a little good news: Despite recent findings to the contrary, the skin condition is...

Heart failure: Stem cell therapy may worsen heart damage

Fri, 06/16/2017 - 15:00
For heart failure patients, research suggests that using cardiac stem cells for autologous stem cell therapy may exacerbate heart tissue damage.

New screening tool helps ID heart surgery patients at risk for malnutrition

Fri, 06/16/2017 - 07:00
Simple risk score guides surgeons in providing nutrition support sooner and more aggressively.

Sex-specific cardiovascular drug dosages needed to reduce adverse reactions in women

Fri, 06/16/2017 - 07:00
Sex-specific cardiovascular drug dosages are needed to reduce adverse reactions in women, according to a position paper from the European Society of Cardiology published in European Heart Journal ...

Can use of a drone improve response times for out-of-hospital cardiac arrests compared to an ambulance

Fri, 06/16/2017 - 07:00
In a study involving simulated out-of-hospital cardiac arrests, drones carrying an automated external defibrillator arrived in less time than emergency medical services, with a reduction in response...

Metabolic syndrome: An hour of resistance training per week may cut risk

Thu, 06/15/2017 - 14:00
New research reveals that under 1 hour per week of resistance exercise, independent of aerobic exercise, is tied to lower risk of metabolic syndrome.

Statins may raise the risk of Parkinson's disease

Thu, 06/15/2017 - 07:00
New research suggests that rather than protecting against Parkinson's disease, it is possible that the use of statins may increase its risk.

Does the sound of airplanes raise blood pressure risk?

Wed, 06/14/2017 - 07:00
A new study investigates the effect of long-term exposure to aircraft noise on the risk of high blood pressure, cardiac arrhythmia, and stroke.

Long-term daily aspirin use linked to higher than expected risk of bleeding in adults aged 75 or over

Tue, 06/13/2017 - 23:00
Authors conclude that proton-pump inhibitors should be co-prescribed in this age group to reduce the risk of bleeds.

Diabetes drug found to reduce heart and kidney disease risk

Tue, 06/13/2017 - 07:00
A large-scale study finds that a blood sugar-reducing drug for type 2 diabetes also has cardiovascular benefits and reduces the risk of kidney disease.

Arthritis drug could cure severe heart condition

Tue, 06/13/2017 - 07:00
Researchers find that drug being tested for the treatment of rheumatoid arthritis may also hold the key to preventing aortic valve stenosis.

Snake venom could lead to safer blood clot prevention

Sun, 06/11/2017 - 07:00
Researchers have found that a protein in the venom of the Tropidolaemus wagleri snake may lead to a safer antiplatelet medication.

Congestive heart failure: Symptoms, treatment, and prevention

Fri, 06/09/2017 - 13:00
Congestive heart failure makes it difficult for the heart to pump blood through the body, causing the other organs to receive less blood than they require.

Running multiple marathons does not increase risk of atherosclerosis

Thu, 06/08/2017 - 07:00
Running multiple marathons does not increase the risk of atherosclerosis, according to research published in the European Journal of Preventive Cardiology.

Type of natural sugar may prevent arteries from clogging

Thu, 06/08/2017 - 07:00
Not all sugar is bad. Researchers find that a type of natural sugar called trehalose reduces the buildup of plaque inside the arteries.

Food policies have potential to lower US cardiovascular disease rates

Wed, 06/07/2017 - 07:00
Food policies, such as fruit and vegetable subsidies, taxes on sugar sweetened drinks, and mass media campaigns to change dietary habits, could avert hundreds of thousands of deaths from...

Smaller dose combos of blood pressure meds may be effective with fewer side effects

Tue, 06/06/2017 - 07:00
Quarter-dose combinations of blood pressure lowering medications appear to be effective in treating hypertension and result in fewer side effects for patients than a single dose of one drug...