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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: 20 min 57 sec ago

Atrial fibrillation increases the risk of dementia

Thu, 10/11/2018 - 07:00
People with atrial fibrillation (irregular heartbeat) face an increased risk of dementia, a new study warns; but common drugs may keep that risk in check.

Newly discovered molecule could treat heart failure

Wed, 10/10/2018 - 15:00
New research has discovered a molecule that plays a key role in supporting heart function. This finding may lead to better therapy for heart failure.

Why are my feet swollen?

Fri, 10/05/2018 - 15:00
There are many explanations for why a person may have swollen feet. Some causes, such as a twisted or sprained ankle, are obvious. Others might be less apparent but need urgent medical attention. These include a blood clot in the leg, heart failure, and preeclampsia. Find out when to see a doctor for swollen feet here.

Just how harmful is it to have 1 drink per day?

Thu, 10/04/2018 - 15:00
New research is piling up evidence indicating that even light drinking increases a person's risk of various health issues, as well as premature death.

Could we use gene mutations to treat diabetes and heart disease?

Wed, 10/03/2018 - 16:00
A gene study of 300,000 veterans yields three cholesterol-controlling mutations that could help develop new drugs for diabetes and cardiovascular disease.

Why sudden cardiac arrests no longer peak in the morning

Wed, 10/03/2018 - 14:00
New research suggests that the peak time for certain adverse cardiovascular events has changed and suggests possible reasons for this shift.

Some chiropractic treatments can harm eyesight

Tue, 10/02/2018 - 15:00
A new case study warns that certain chiropractic techniques can lead to problems with vision due to their direct effect on the eye's retina.

Does 'bad' cholesterol deserve its bad name?

Tue, 10/02/2018 - 14:00
A new study challenges the long-held belief that low-density lipoprotein cholesterol causes heart disease, and that statins benefit cardiovascular health.

Yo-yoing weight linked to higher cardiovascular risk

Tue, 10/02/2018 - 10:00
Researchers warn that fluctuations in a series of health measurements, including body weight, are linked with a heightened risk of cardiovascular events.

Some cancer therapies may avert cardiovascular disease

Sat, 09/29/2018 - 10:00
Drugs that are currently used for cancer may thwart cardiovascular disease, the leading cause of death worldwide, according to a new study.

What to know about ectopic heartbeats

Fri, 09/28/2018 - 17:00
Ectopic heartbeats are when the heart adds or skips a beat. Ectopic beats are common, not a cause for concern, and anxiety, smoking, or pregnancy can link to them. Learn more here.