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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 42 min ago

Heart attacks increasingly common in young women

Tue, 11/13/2018 - 16:00
New research, presented at the American Heart Association's Scientific Sessions meeting, finds that heart attacks are no longer an 'old man's disease.'

What are the best fish to eat for health?

Mon, 11/12/2018 - 20:00
Some types of fish can be a good source of high-quality protein and other nutrients. Some of the best fish to eat include wild-caught salmon, mackerel, herring, and sardines. Larger fish may contain mercury so people should consume them in moderation. Learn more about the best fish to eat and how to prepare them here.

Vitamin D, fish oil supplements of little benefit to heart health

Mon, 11/12/2018 - 15:00
Two large new clinical trials have examined the benefits of vitamin D and fish oil supplements for staving off heart disease and cancer.

Chronic noise can impact heart health

Mon, 11/12/2018 - 08:00
New research has investigated the impact of noise on health, and regular exposure to excessive noise appears to increase cardiovascular risk.

Could blue light reduce blood pressure?

Sun, 11/11/2018 - 11:00
According to recent findings, exposing the body to blue light could lower high blood pressure as effectively as taking hypertension medication.

7 benefits of rooibos tea

Fri, 11/09/2018 - 16:00
Rooibos tea is a delicious alternative to green or black tea. It is naturally caffeine-free and has many other potential health benefits. Learn about them here.

Heart attack: Some risk factors affect women more

Thu, 11/08/2018 - 15:00
According to a new study, certain risk factors for heart attack affect women more than they do men, and this excess risk persists regardless of age.

Broken heart syndrome: How complications affect death risk

Thu, 11/08/2018 - 11:00
New research has examined the effect of cardiogenic shock on long- and short-term mortality risk among people with broken heart syndrome.

A natural pigment can help decrease cardiovascular risk

Wed, 11/07/2018 - 11:00
A new systematic review finds that a common natural pigment could significantly lower the risk of heart disease and death related to cardiovascular events.

Mediterranean diet: New evidence of its heart-healthy benefits

Tue, 11/06/2018 - 15:00
New research in rodents has tested the cardioprotective benefits of a compound triggered by consuming vegetables, fish, and seafood.

What hookah smoking can do to your blood vessels

Tue, 11/06/2018 - 11:00
New research suggests that hookah smoking, much like cigarette smoking, impacts blood vessel functions that are critical for cardiovascular health.

Can this Amazonian diet offer a solution to heart disease?

Tue, 11/06/2018 - 08:00
One indigenous population from the Bolivian Amazon may have a lesson or two to teach us about how diet and lifestyle can protect heart health.

Daily serving of nuts may stave off weight gain

Mon, 11/05/2018 - 16:00
Two new studies suggest that a daily serving of nuts helps stave off weight gain in the long run and benefits cardiometabolic health in women.

It may only take one energy drink to harm your blood vessels

Mon, 11/05/2018 - 15:00
Experts worry that energy drinks may impair health, particularly cardiovascular function. They warn that even one energy drink may harm the blood vessels.

Can cottonseed oil help lower your 'bad' cholesterol?

Fri, 11/02/2018 - 15:00
A recent study takes a look at how adding cottonseed oil to a high-fat diet impacts a person's levels of 'good' and 'bad' cholesterol, among other factors.

What is obesity and what causes it?

Fri, 11/02/2018 - 07:00
Obesity is when a person is carrying excessive weight. This puts them at a higher risk of a number of health conditions. Find out more about what obesity is and why it happens.

Can fermented dairy shield you against heart disease?

Thu, 11/01/2018 - 16:00
Whether or not dairy is good for health has become a controversial topic. New research suggests that fermented dairy may protect the heart.

Spider phobia: Using the heartbeat to improve treatment

Thu, 11/01/2018 - 14:00
Computerized therapy of spider phobia was more effective when exposure to spider images occurred during, rather than between, heartbeats, a study revealed.

Is chest pain during exercise serious?

Mon, 10/29/2018 - 17:00
A range of health issues can cause chest pain during exercise. Some, such as muscle strains, are not serious. Others, such as heart attacks and angina, can be life-threatening. In many cases, people should quickly seek treatment. Learn more about the potential causes here.

Too much iron may raise the risk of certain strokes

Fri, 10/26/2018 - 15:00
New research finds that people with higher levels of iron are at a higher risk of stroke that arises from clots and blockages that travel from the heart.

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