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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: 24 min 30 sec ago

How do nicotine-free e-cigarettes affect blood vessels?

Wed, 08/21/2019 - 10:00
New research looks into the short term effects of vaping on blood vessels. Nicotine-free e-cigarettes may be more harmful than experts previously believed.

Intense light may boost heart health

Sun, 08/18/2019 - 10:00
New research in mice and humans finds that exposure to intense light therapy can boost the heart's protection against a heart attack.

Simple dietary changes may reduce cancer risk, increase lifespan

Fri, 08/16/2019 - 10:00
The health benefits of fruit and vegetables are partly due to flavonoids. A new study concludes that consuming more flavonoids each day may extend life.

What to know about forehead veins

Wed, 08/14/2019 - 18:00
Forehead veins may be the result of pressure, sun exposure, or pregnancy. They do not usually require treatment. Learn more about forehead veins here.

What to know about brain aneurysms

Wed, 08/14/2019 - 17:00
Brain aneurysms affect 3–5% of people in the U.S. during their lifetime. When they rupture, they can cause a stroke. Learn about their symptoms, causes, and treatment here.

'Intensive blood pressure management' may preserve brain health

Wed, 08/14/2019 - 14:00
Intensively controlling blood pressure can improve brain health and reduce the likelihood of developing mild cognitive impairment, new research finds.

Study finds 'disturbingly' high levels of 'ugly cholesterol'

Mon, 08/12/2019 - 10:00
New research finds that the levels of remnant cholesterol, also called 'ugly' cholesterol, are much higher than researchers previously believed.

Plant based diet may reduce cardiovascular death risk by 32%

Sat, 08/10/2019 - 07:00
More plant based foods and fewer animal products may be the key to optimal heart health and lowering the risk of heart attacks or strokes.

Fat burning heart rate: Everything you need to know

Fri, 08/09/2019 - 19:00
A person's fat burning heart rate depends on their age. Staying within this heart rate range during exercise is supposed to help people lose weight. Learn more here.

Periumbilical pain: What to know

Thu, 08/08/2019 - 17:00
A wide variety of conditions can cause periumbilical pain, making it difficult for doctors to diagnose. Learn about the causes and treatment options here.

7 'simple' steps for heart health may also stave off dementia

Thu, 08/08/2019 - 10:00
New research examines the link between heart health at 50 years of age, and the risk of developing dementia 25 years later, on average.

Do rising obesity levels explain cardiovascular mortality trends?

Tue, 08/06/2019 - 14:00
Many countries worldwide are losing the progress they had made in lowering mortality rates related to cardiovascular events. Why is this happening?

Why older adults need regular metabolic risk screening

Thu, 08/01/2019 - 16:00
New guidelines recommend regular screening of older adults to assess metabolic risk of type 2 diabetes and atherosclerotic cardiovascular disease.

Stopping statins may increase cardiovascular risk

Wed, 07/31/2019 - 10:00
New research warns that stopping statin use later in life could significantly increase a person's risk of heart problems and vascular events.