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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 20 min ago

Does the sound of airplanes raise blood pressure risk?

Wed, 06/14/2017 - 07:00
A new study investigates the effect of long-term exposure to aircraft noise on the risk of high blood pressure, cardiac arrhythmia, and stroke.

Long-term daily aspirin use linked to higher than expected risk of bleeding in adults aged 75 or over

Tue, 06/13/2017 - 23:00
Authors conclude that proton-pump inhibitors should be co-prescribed in this age group to reduce the risk of bleeds.

Diabetes drug found to reduce heart and kidney disease risk

Tue, 06/13/2017 - 07:00
A large-scale study finds that a blood sugar-reducing drug for type 2 diabetes also has cardiovascular benefits and reduces the risk of kidney disease.

Arthritis drug could cure severe heart condition

Tue, 06/13/2017 - 07:00
Researchers find that drug being tested for the treatment of rheumatoid arthritis may also hold the key to preventing aortic valve stenosis.

Snake venom could lead to safer blood clot prevention

Sun, 06/11/2017 - 07:00
Researchers have found that a protein in the venom of the Tropidolaemus wagleri snake may lead to a safer antiplatelet medication.

Congestive heart failure: Symptoms, treatment, and prevention

Fri, 06/09/2017 - 13:00
Congestive heart failure makes it difficult for the heart to pump blood through the body, causing the other organs to receive less blood than they require.

Running multiple marathons does not increase risk of atherosclerosis

Thu, 06/08/2017 - 07:00
Running multiple marathons does not increase the risk of atherosclerosis, according to research published in the European Journal of Preventive Cardiology.

Type of natural sugar may prevent arteries from clogging

Thu, 06/08/2017 - 07:00
Not all sugar is bad. Researchers find that a type of natural sugar called trehalose reduces the buildup of plaque inside the arteries.

Food policies have potential to lower US cardiovascular disease rates

Wed, 06/07/2017 - 07:00
Food policies, such as fruit and vegetable subsidies, taxes on sugar sweetened drinks, and mass media campaigns to change dietary habits, could avert hundreds of thousands of deaths from...

Smaller dose combos of blood pressure meds may be effective with fewer side effects

Tue, 06/06/2017 - 07:00
Quarter-dose combinations of blood pressure lowering medications appear to be effective in treating hypertension and result in fewer side effects for patients than a single dose of one drug...

Six ways your pet can boost health and well-being

Fri, 06/02/2017 - 15:00
Our pets not only bring us joy and companionship, they offer benefits for health and well-being, too. We take a closer look at what these are.

Acute heart failure: What you need to know

Fri, 06/02/2017 - 11:00
In this article learn about acute heart failure. We look at the causes, symptoms, how it is diagnosed, and the treatments available.

Aging does not necessarily preclude healthy arteries

Wed, 05/31/2017 - 14:00
High blood pressure and stiff arteries are accepted as normal with aging, but a modifiable lifestyle rather than genetics is the main culprit, says study.

Childhood obesity causes lasting damage to the body

Wed, 05/31/2017 - 13:00
Obesity in childhood has long term health implications stretching into adulthood, a new study in the journal Obesity Reviews reveals.

Adding tobacco to cannabis doesn't affect the high, but impacts memory and heart

Wed, 05/31/2017 - 07:00
Adding tobacco to a cannabis joint doesn't improve the experience of being stoned, but it does reduce the memory impairment inherent to cannabis use, finds a new UCL study published in Psychological...

Scientists identify protein linked to chronic heart failure

Wed, 05/31/2017 - 07:00
Researchers in Japan have identified a receptor protein on the surface of heart cells that promotes chronic heart failure.

Some heart attack patients may not benefit from beta blockers

Wed, 05/31/2017 - 07:00
New research challenges established medical practice that all heart attack patients should be on beta blockers.

Heart palpitations and menopause: What you need to know

Tue, 05/30/2017 - 15:00
What are heart palpitations and how may they be linked to menopause? Learn about heart disease risk, depression, and when to see a healthcare professional.

Obesity can cause cardiovascular ill-health, even in the young

Tue, 05/30/2017 - 07:00
Higher than normal body mass index (BMI) is known to lead to cardiovascular ill-health in mid-to-late life, but there has been limited investigation of its effect in young, apparently healthy...

Stopping drug abuse can reverse related heart damage

Tue, 05/30/2017 - 07:00
Quitting methamphetamine use can reverse the damage the drug causes to the heart and improve heart function in abusers when combined with appropriate medical treatment, potentially preventing future...