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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: 58 min ago

Heart attack protein may raise early death risk

Fri, 11/22/2019 - 08:00
New research finds a link between troponin, a heart attack-related protein, and a high risk of early death among people of all ages.

Exercise after the age of 60 may prevent heart disease, stroke

Sun, 11/17/2019 - 11:00
A new study from South Korea finds that increased activity can reduce the risks of heart attack and stroke among people over the age of 60.

The link between insomnia and cardiovascular disease

Sat, 11/16/2019 - 11:00
Insomnia symptoms make a person more likely to develop stroke, heart attack, and similar diseases, finds an extensive Chinese study.

Atrial fibrillation: Height could predict risk

Fri, 11/15/2019 - 16:00
New research confirms that the taller a person is, the higher their risk of atrial fibrillation, a common condition that affects the heart.

What are the health benefits of yerba maté tea?

Thu, 11/14/2019 - 20:00
Yerba maté is made from the leaves of Ilex paraguariensis, a type of South American holy. It has a number of potential health benefits. Read this article to learn more about these benefits, some potential risks, and how to prepare it.

Listening to music while driving may help calm the heart

Thu, 11/14/2019 - 15:00
Recent experiments involving driving in stressful traffic conditions suggest that listening to music at this time may help protect heart health.

Specialists call for 'aggressive' measures against e-cigarettes

Thu, 11/14/2019 - 08:00
A new study in humans and mice adds to evidence that e-cigarettes damage cardiovascular and lung health and calls for tighter regulation of these devices.

What to know about the BNP test

Thu, 11/14/2019 - 01:00
A BNP test is a type of blood test that doctors sometimes use to help diagnose heart failure. Read on to find out more about the test procedure, and what the results indicate.

Is there a link between muscle mass and cardiovascular risk?

Wed, 11/13/2019 - 11:00
Researchers have found a significant association between the loss of skeletal muscle mass after the age of 45 and a higher risk of cardiovascular problems.

Which jobs affect women's heart health the most?

Wed, 11/13/2019 - 08:00
A new study suggests that some occupations may increase women's risk of cardiovascular problems. Chief among these seems to be jobs in the care sector.

Late evening eating may compromise women's heart health

Tue, 11/12/2019 - 16:00
New research from the American Heart Association finds that women who eat more of the day's calories after 6 p.m. have poorer cardiovascular health.

E-cigarettes just as, if not more, harmful than traditional cigarettes

Tue, 11/12/2019 - 08:00
Two new studies provide further evidence that electronic cigarettes may have various and serious adverse effects on cardiovascular health.

Everything you need to know about shock

Mon, 11/11/2019 - 21:00
Shock is a medical emergency that causes several symptoms, some of which are life threatening. Learn more about shock and how to treat it in this article.

What are the effects of lowering blood pressure targets?

Mon, 11/11/2019 - 15:00
New research assesses the costs and benefits of implementing the 2017 hypertension guidelines released by the American Heart Association (AHA).

Could the eyes predict cardiovascular risk?

Mon, 11/11/2019 - 08:00
New research finds a link between narrower and more curved retinal blood vessels on the one hand and higher blood pressure and stiff arteries, on the other.

How heavy lifting at work affects cardiovascular health

Sat, 11/09/2019 - 11:00
New research investigates the effects of different types of physical activity on cardiovascular health, showing the impact of strenuous exertion at work.

Doctors call for end to daylight saving time transitions

Wed, 11/06/2019 - 17:00
Citing evidence on the health risks arising from biological clock misalignments, doctors call for an end to daylight saving time transitions.

Running, no matter how little, is linked to 27% lower death risk

Tue, 11/05/2019 - 08:00
Running, even infrequently and for short periods, is associated with a significantly lower risk of death from all causes, a new review suggests.

Local vehicle exhaust may raise stroke risk

Mon, 11/04/2019 - 17:00
New research has linked long term exposure to black carbon from local vehicle exhausts to a raised risk of stroke — even in low pollution settings.

Atherosclerosis: Scientists identify new protein target in immune cells

Fri, 11/01/2019 - 15:00
For the first time, scientists have demonstrated that a type of immune cell expresses a protein that promotes the buildup of fatty material in arteries.