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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 7 min ago

UCI study finds acupuncture lowers hypertension by activating natural opioids

Wed, 11/02/2016 - 07:00
Researchers with the UCI Susan Samueli Center for Integrative Medicine have found that regular electroacupunture treatment can lower hypertension by increasing the release of a kind of opioid in...

Raising 'good cholesterol' not as effective as lowering 'bad cholesterol'

Tue, 11/01/2016 - 13:00
Low and very high levels of HDL, or "good cholesterol" are associated with a higher risk of dying from heart disease, cancer and other causes, according to a study in the Journal of the American...

Cycling to work may reduce heart disease risk

Tue, 11/01/2016 - 07:00
Cycling to work is linked to a lower risk of heart disease, which suggests that recreational or commuter biking may prove a significant health strategy.

FDA approves new device for prevention of recurrent strokes in certain patients

Tue, 11/01/2016 - 07:00
The U.S. Food and Drug Administration has approved the Amplatzer PFO Occluder device.

A common heart problem caused by cancer therapy avoided blood vessel treatment

Tue, 11/01/2016 - 07:00
Researchers of the Wihuri Research Institute and the University of Helsinki, Finland, have found that some of the harmful effects of a commonly used cancer drug can be alleviated by using gene...

Activation of 2 genes linked to development of atherosclerosis

Mon, 10/31/2016 - 13:00
Researchers at Brigham and Women's Hospital have found two new potential drug targets for treating arterial diseases such as atherosclerosis.

Scientists confirm common cause of heart failure in African-Caribbean patients

Mon, 10/31/2016 - 10:00
Researchers have confirmed a common cause of heart failure in African-Caribbean patients, thanks to funding from the British Heart Foundation (BHF).