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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 7 min ago

High-protein diet may raise heart failure risk for older women

Mon, 11/14/2016 - 16:00
Women aged 50-79 who consume high amounts of protein - particularly from meat - may be at greater risk of heart failure, new research finds.

Use of statins before cardiac arrest may aid survival afterwards

Mon, 11/14/2016 - 13:00
Patients who have been taking statins are likely to survive longer after a cardiac arrest than those who are not taking them, according to research from Taiwan researchers presented during the...

Inherited taste perceptions may explain why some people eat too much salt

Mon, 11/14/2016 - 13:00
People with enhanced bitter taste perception are almost twice as likely to consume too much sodium as people with less acute tasting ability.

Diets rich in omega-3 fatty acids may help lower blood pressure in young, healthy adults

Mon, 11/14/2016 - 13:00
Healthy young people may be able to help prevent the onset of high blood pressure by eating diets rich in omega-3 fatty acids, according to a preliminary study presented at the American Heart...

Marijuana use may temporarily weaken heart muscle

Mon, 11/14/2016 - 08:00
A new study links the use of marijuana to stress cardiomyopathy, a rare heart malfunction that has the same symptoms as a heart attack.

Major artery more rigid in African-Americans, which may explain high rates of hypertension and heart disease

Mon, 11/14/2016 - 08:00
African-Americans have more rigidity of the aorta, the major artery supplying oxygen-rich blood to the body, than Caucasians and Hispanics, according to a study by UT Southwestern Medical Center...

Moderate drinking may benefit 'good' cholesterol levels

Mon, 11/14/2016 - 08:00
Researchers find moderate alcohol intake - especially intake of beer and hard liquor - may slow the decline of 'good' low-density lipoprotein cholesterol.

Cardiovascular health linked to cellular aging

Sun, 11/13/2016 - 21:00
The age of a person's immune cells may predict risk of cardiovascular disease, according to a preliminary study presented at the American Heart Association's Scientific Sessions 2016.

Frequent simulation-based training may improve CPR proficiency among hospital staff

Sat, 11/12/2016 - 14:00
A new training model improved CPR skills in a clinical setting according to research presented during the Resuscitation Science Symposium at the American Heart Association's Scientific Sessions...

Smokers far more likely to develop abdominal aortic aneurysms

Fri, 11/11/2016 - 14:00
People who smoke may be nearly twice as likely to develop an abdominal aortic aneurysm than the general population, but they can lower their risk of the potentially life-threating condition by...

Seroprevalence and disease burden of chagas disease in south Texas

Fri, 11/11/2016 - 14:00
Chagas disease (Trypanosoma cruzi infection) is a parasitic infection that can lead to fatal cardiac disease.

Excessive BMI increase during puberty identified as a new risk factor for mortality due to cardiovascular disease

Fri, 11/11/2016 - 08:00
Boys with a large increase in body mass index (BMI) during puberty are at increased risk of death due to cardiovascular disease later in life.

High-dose statins may help CVD patients live longer

Thu, 11/10/2016 - 08:00
Despite previous conflicting messages from healthcare professionals, new research suggests statins are beneficial for cardiovascular patients.

Cancer: Age of diagnosis may influence heart disease death risk

Tue, 11/08/2016 - 15:00
Study of over 200,000 survivors of cancer diagnosed at ages 15-39 finds that the age of diagnosis may influence risk of death from heart disease.

Stroke vs. Heart Attack: Treatment and Recovery

Tue, 11/08/2016 - 14:00
What causes a heart attack and what causes a stroke? Learn about the symptoms for each, treatment and recovery, and possible lifestyle changes to help.

Getting a pacemaker soon after heart valve replacement linked with worse outcomes

Tue, 11/08/2016 - 14:00
Study shows risks are both short and long-term.Patients who undergo minimally invasive heart valve replacement, known as TAVR, sometimes develop heart rhythm problems that necessitate placement...

Age at cancer diagnosis may affect the risk of death from heart disease

Tue, 11/08/2016 - 08:00
The age at which cancer survivors were diagnosed for cancer may help determine their risk of death from heart disease, according to new research in the American Heart Association's journal...

Vanderbilt-led study details rare cardiac side effects of immune checkpoint cancer therapies

Mon, 11/07/2016 - 15:00
Combination therapy utilizing two approved immunotherapy drugs for cancer treatment may cause rare and sometimes fatal cardiac side effects linked to an unexpected immune response.

Kids continue to consume too much salt, putting them at risk

Thu, 11/03/2016 - 14:00
Cardiovascular disease, including heart disease and stroke, kills more than 800,000 Americans each year.

DNA damage response links short telomeres, heart disorder in Duchenne muscular dystrophy

Wed, 11/02/2016 - 07:00
Progressively shortening telomeres - the protective caps on the end of chromosomes - may be responsible for the weakened, enlarged hearts that kill many sufferers of Duchenne muscular dystrophy...