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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 40 min ago

More evidence: Untreated sleep apnea shown to raise metabolic and cardiovascular stress

Thu, 09/07/2017 - 07:00
Sleep apnea, left untreated for even a few days, can increase blood sugar and fat levels, stress hormones and blood pressure, according to a new study of sleeping subjects.

Can my HDL be too high?

Wed, 09/06/2017 - 13:00
When is high HDL cholesterol good, and is higher always better? Learn how to find the right balance along with some healthful ways to achieve high HDL.

Can my HDL be too high?

Wed, 09/06/2017 - 13:00
When is high HDL cholesterol good, and is higher always better? Learn how to find the right balance along with some healthful ways to achieve high HDL.

Taller people may be more susceptible to blood clots

Wed, 09/06/2017 - 07:00
A large cohort study focused on siblings suggests that height may have a role to play in individual susceptibility to developing blood clots.

Taller people may be more susceptible to blood clots

Wed, 09/06/2017 - 07:00
A large cohort study focused on siblings suggests that height may have a role to play in individual susceptibility to developing blood clots.

Marriage may increase heart disease survival

Sat, 09/02/2017 - 07:00
New research suggests that married people have higher heart disease survival rates and are more likely to recover after a heart attack than singles.

Want to stay healthy? Reduce sitting time by 21 minutes

Sat, 09/02/2017 - 07:00
A new study suggests that reducing the daily amount of time we spend sitting down by only 21 minutes may have long-term health benefits.

Marriage may increase heart disease survival

Sat, 09/02/2017 - 07:00
New research suggests that married people have higher heart disease survival rates and are more likely to recover after a heart attack than singles.

Want to stay healthy? Reduce sitting time by 21 minutes

Sat, 09/02/2017 - 07:00
A new study suggests that reducing the daily amount of time we spend sitting down by only 21 minutes may have long-term health benefits.

Tick saliva may hold potential treatment for reducing HIV-linked heart disease risk

Fri, 09/01/2017 - 07:00
Scientists may have found a clue to why people living with HIV have double the likelihood of developing heart disease.

Tick saliva may hold potential treatment for reducing HIV-linked heart disease risk

Fri, 09/01/2017 - 07:00
Scientists may have found a clue to why people living with HIV have double the likelihood of developing heart disease.

Acute myeloid leukemia: Heart drugs may boost chemotherapy

Thu, 08/31/2017 - 16:00
Researchers find that drugs normally used to treat heart and blood vessel disease could also help to improve chemotherapy outcomes for patients with AML.

Acute myeloid leukemia: Heart drugs may boost chemotherapy

Thu, 08/31/2017 - 16:00
Researchers find that drugs normally used to treat heart and blood vessel disease could also help to improve chemotherapy outcomes for patients with AML.

Dark chocolate with olive oil associated with improved cardiovascular risk profile

Thu, 08/31/2017 - 07:00
Dark chocolate enriched with extra virgin olive oil is associated with an improved cardiovascular risk profile, according to research presented today at ESC Congress.

Large scale study shows slow walking pace is good predictor of heart-related deaths

Thu, 08/31/2017 - 07:00
Study suggests that middle-aged people who report that they are slow walkers could be at higher risk of heart disease compared to the general population.

Dark chocolate with olive oil associated with improved cardiovascular risk profile

Thu, 08/31/2017 - 07:00
Dark chocolate enriched with extra virgin olive oil is associated with an improved cardiovascular risk profile, according to research presented today at ESC Congress.

Large scale study shows slow walking pace is good predictor of heart-related deaths

Thu, 08/31/2017 - 07:00
Study suggests that middle-aged people who report that they are slow walkers could be at higher risk of heart disease compared to the general population.

Fat, carbs, fruit, veg: How much should we eat for health?

Wed, 08/30/2017 - 16:00
Two studies show that a moderate fat intake may do more good than expected, too many carbs should be avoided, and fruits and vegetables are beneficial.

Fat, carbs, fruit, veg: How much should we eat for health?

Wed, 08/30/2017 - 16:00
Two studies show that a moderate fat intake may do more good than expected, too many carbs should be avoided, and fruits and vegetables are beneficial.

PATHWAY-2 uncovers main cause of drug-resistant hypertension, finds old drugs work best

Wed, 08/30/2017 - 07:00
Salt retention is the main culprit behind drug-resistant hypertension (RHTN), with older diuretic medications being the most effective treatment, according to new results from the PATHWAY-2 study.

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