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 7 min ago
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.
New study finds that nearly all countries would find a soft regulation strategy to cut salt intake by 10 percent over 10 years to be highly cost effective.
Exploiting the placebo effect significantly improved the recovery of patients undergoing heart surgery according to new research published in the open access journal BMC Medicine.
More than two-thirds (70%) of heart attack programmes are failing to meet the minimum requirements for patient care, according to research funded by the British Heart Foundation (BHF).
Following a blood infection, the first class of antibodies produced by the immune system are IgM antibodies.
Dialysis patients may have altered blood clots that increase their risk of dying prematurely, according to a study appearing in the Journal of the American Society of Nephrology (JASN).
Being physically inactive - sitting for long periods of time - can be so harmful to your health that experts sometimes call it "sitting disease.
Study shows that blood troponin levels can predict risk of heart attack and death, and response to statins.
Cimaglermin, a new experimental drug, may help restore cardiac function after heart failure, according to a first-in-man study published in JACC: Basic to Translational Science.
The third Professional Life Survey conducted by the American College of Cardiology reveals that not much has changed over the past 20 years.
Dyspnea involves a shortness of breath. Causes include illness, heart problems, and altitude. Find out what dyspnea is and how to reduce its impact.
A study of more than 2,000 Finnish men has uncovered a link between frequent sauna use and reduced risk of Alzheimer's and other forms of dementia.
New research finds that red cabbage microgreens - an immature form of red cabbage - was highly effective for lowering 'bad' cholesterol in mice.
Researchers at the University of Illinois at Chicago were able to reduce uncertainty in diagnosing cardiac sarcoidosis by having patients consume a high-fat, low-sugar diet for 72 hours prior to...
The theory that saturated fat may be bad for people has been called into question. Now, research suggests that saturated fat might even be good for you.