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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 13 min ago

Scientists find oxidants aren't always the 'bad guys' when it comes to the heart

Fri, 10/28/2016 - 09:00
Discovery offers hope for potential new treatments for high blood pressure and heart failure.

Men's mental health influenced by blood pressure, heart rate in adolescence

Thu, 10/27/2016 - 07:00
High blood pressure and high heart rate experienced in male teenage years may lead to an increased risk of OCD, schizophrenia, and anxiety disorders.

Air pollution linked to blood vessel damage in healthy young adults

Wed, 10/26/2016 - 07:00
Air pollution was associated with blood vessel damage among young, healthy adults.

World's largest study shows effects of long-term exposure to air pollution and traffic noise on blood pressure

Wed, 10/26/2016 - 07:00
Long-term exposure to air pollution is linked to a greater incidence of high blood pressure, according to the largest study to investigate the effects of both air pollution and traffic noise by...

New guideline on calcium and vitamin D supplementation

Tue, 10/25/2016 - 13:00
A new evidence-based clinical guideline from the National Osteoporosis Foundation (NOF) and the American Society for Preventive Cardiology (ASPC) says that calcium with or without vitamin D intake...

Taking meds after heart procedures may boost trouble-free survival rate

Tue, 10/25/2016 - 07:00
Regardless of heart procedure, patients who adhered to prescribed medication were more than twice as likely to have event-free rates of survival.

Mortality and cardiovascular disease: You don't have to be an Olympic athlete to reduce the many risk factors

Mon, 10/24/2016 - 13:00
Researchers, it is hoped, will one day find a miracle cure for all kinds of diseases.

Fitness, not physical activity, mitigates negative effects of prolonged sitting

Sun, 10/23/2016 - 07:00
Physical activity has numerous health benefits. However, a new study suggests that fitness, not physical activity, reduces cardiovascular risk factors.

Digestive byproduct may predict greater risk of death among PAD patients

Thu, 10/20/2016 - 12:00
Patients with high blood levels of a digestive byproduct and narrowing of the arteries away from the heart (peripheral artery disease or PAD) were significantly more likely to die within five years...

Plaque identifying toothpaste significantly reduces dental plaque and inflammation throughout the body

Thu, 10/20/2016 - 12:00
For decades, research has suggested a link between oral health and inflammatory diseases affecting the entire body - in particular, heart attacks and strokes.

Regular exercise may safeguard against memory loss

Thu, 10/20/2016 - 07:00
Regular exercise has been found to improve overall thinking skills and cardiovascular capacity in people with vascular cognitive impairment.

New statement provides guidance about potential interactions between statins and commonly prescribed heart disease drugs

Wed, 10/19/2016 - 13:00
A new scientific statement from the American Heart Association provides guidance on how to manage the drug interactions of cholesterol-lowering medications called statins with other select heart...

Older hearts benefit from exercise that is frequent and varied but not intense

Tue, 10/18/2016 - 14:00
Heart study finds frequent and varied exercise is linked to lower risk of premature death in older people, but intense exercise is linked to higher risk.

Short episodes of abnormal heart rhythm may not increase risk of stroke

Tue, 10/18/2016 - 07:00
People with pacemakers or defibrillators who experience only short episodes of an abnormal heart rhythm known as atrial fibrillation have a very low risk of stroke, suggesting that anticoagulants...

Contaminated devices putting open-heart surgery patients at risk

Tue, 10/18/2016 - 07:00
CDC encourages hospitals to take action, advises patients to seek care if ill.

Caffeine did not induce arrhythmia in trial with heart failure patients

Mon, 10/17/2016 - 15:00
A trial where heart failure patients ingested 500 mg caffeine over 5 hours found no raised risk of arrhythmic episodes, even during treadmill stress test.

New formulation of ibuprofen may be superior for pain relief than the current version

Mon, 10/17/2016 - 12:00
New research in The FASEB Journal suggests that formulating ibuprofen with arginine might be the key to negating the cardiovascular side effects of the drug.

Avatar-based application improves symptom recognition in heart attack survivors

Mon, 10/17/2016 - 07:00
An avatar-based application improves symptom recognition in heart attack survivors, reveals research presented at Acute Cardiovascular Care 2016 by Jintana Tongpeth, a PhD student at the School of...

20% of emergency department visits preventable of which half are cardiovascular disease

Mon, 10/17/2016 - 07:00
Twenty percent of emergency department (ED) visits are preventable, of which half are for cardiovascular disease, reveals research presented at Acute Cardiovascular Care 2016.

Ultraviolet air steriliser reduces sepsis and mortality in cardiac surgery patients

Mon, 10/17/2016 - 07:00
An ultraviolet air steriliser reduces sepsis and mortality in cardiac surgery patients, according to research presented at Acute Cardiovascular Care 2016.

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