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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 37 min ago

Study shows so-called 'healthy obesity' is harmful to cardiovascular heath

Tue, 09/12/2017 - 07:00
Clinicians are being warned not to ignore the increased cardiovascular health risks of those who are classed as either 'healthy obese' or deemed to be 'normal weight' but have metabolic abnormalities...

Potentially lifesaving implantable cardioverter defibrillators underutilized in eligible patients

Mon, 09/11/2017 - 07:00
Fewer than 10% of people who experience sudden cardiac arrest (SCA) outside of a hospital survive.

Potentially lifesaving implantable cardioverter defibrillators underutilized in eligible patients

Mon, 09/11/2017 - 07:00
Fewer than 10% of people who experience sudden cardiac arrest (SCA) outside of a hospital survive.

Does blood pressure change during a heart attack?

Fri, 09/08/2017 - 16:00
Some people take a blood pressure change without other symptoms to mean that a heart attack is occurring. However, this is not usually the case.

Does blood pressure change during a heart attack?

Fri, 09/08/2017 - 16:00
Some people take a blood pressure change without other symptoms to mean that a heart attack is occurring. However, this is not usually the case.

Staying in education linked to lower risk of heart disease

Thu, 09/07/2017 - 07:00
Staying in education is associated with a lower risk of developing heart disease, finds a study published by The BMJ.

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.

Staying in education linked to lower risk of heart disease

Thu, 09/07/2017 - 07:00
Staying in education is associated with a lower risk of developing heart disease, finds a study published by The BMJ.

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.

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