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 15 min ago
High triglyceride levels increase the risk of certain diseases. Learn what can be done to lower triglyceride levels with tips on diet and exercise.
Experts urge for wider prescription of statins in treatment and prevention: Link to diabetes questionable and inconsequential
World-renowned researchers from the Charles E. Schmidt College of Medicine at Florida Atlantic University as well as Harvard Medical School address the possible but unproven link between statins...
A new study finds that subjects who are a part of the federal food assistance program SNAP may be at a much higher risk of death than nonparticipants.
Heart failure affects millions of Americans. A new wave of 'soft robots' capable of mimicking heart muscles may save lives on the transplant waiting list.
A research review suggests that statins - commonly used for reducing cholesterol to prevent cardiovascular disease - may also prevent blood clots in veins.
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Learn about different types of acute coronary syndrome and associated risk factors. How is it diagnosed and are there lifestyle changes that can help?
More than half of patients with atrial fibrillation (AF) become asymptomatic after catheter ablation, reports the largest study of the procedure published in European Heart Journal.
Obesity has been linked to "letter" changes at many different sites in the genome, yet these differences do not fully explain the variation in people's body mass index (BMI) or why some overweight...
Blacks and Hispanics with high blood pressure are less likely than whites to get their condition under control, according to new research in Circulation: Cardiovascular Quality and Outcomes, an...
Investigators at the University of Utah have identified distinct differences in the hearts of advanced heart failure patients who have defied the odds and showed signs of recovery from the disease.
A new study finds that caffeine counters an inflammatory process linked to poor heart health in later life, explaining why coffee drinkers may live longer.
Older adults who experience good cardiac fitness may be also keeping their brains in good shape as well.
Of patients over age 65 who received an implantable cardioverter-defibrillator (ICD) after surviving sudden cardiac arrest or a near-fatal arrhythmia, almost 80 percent survived two years - a...
New study suggests the impact of ministrokes is wider and longer-lasting than previously understood, potentially causing dementia and cognitive decline.
Atrial fibrillation, which is the most common cardiac arrhythmia, is an important risk factor for strokes.
American Heart Association Scientific Statement: Women with high-risk congenital heart disease can have successful pregnancies but should seek counseling before conception to understand how their...
A process using human stem cells can generate the cells that cover the external surface of a human heart - epicardium cells - according to a multidisciplinary team of researchers.
Quick and easy blood test for gut bacteria can predict accurately risk of death and heart problems in heart attack patients
The bacteria that inhabit our gut digest food and produce metabolites that can have a marked effect on the heart and blood vessels.
Although it is common knowledge that stress impacts cardiovascular health, the mechanisms at work have remained a mystery. New research gives fresh clues.