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 9 min ago
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.
Consuming red meat in amounts above what is typically recommended does not affect short-term cardiovascular disease risk factors, such as blood pressure and blood cholesterol, according to a new...
Study of New Zealand data confirms prior research with American data that heart-related deaths rise at Christmas, suggesting cold weather is not a reason.
Reducing our cholesterol levels to those of a new-born baby significantly lowers the risk of cardiovascular disease, according to new research.
Surgical ablation found to be effective in reducing atrial fibrillation and improving quality of life
New clinical practice guidelines recommend more prominent role for surgery in treatment of Afib.
Scientists at the Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC) have demonstrated the fundamental role of the hypoxia response in the correct formation of the heart...
Are you thinking about cutting back on the liquor in 2017? We look at the effects of drinking and how reducing alcohol intake can benefit health.
A new report presents 10 quality and performance measures that are intended to help stakeholders--including health systems, legislative bodies, and nongovernmental organizations, as well as...
The NHS Health Check programme in England may have prevented an estimated 4,600 to 8,400 heart attacks, strokes, or death from these causes in its first five years, according to an independent...