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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: 53 min 33 sec ago

Chinese restaurant syndrome: What you need to know

Thu, 06/28/2018 - 17:00
Chinese restaurant syndrome refers to a variety of symptoms that can develop after eating at a Chinese restaurant. The medical community now calls it MSG symptom complex, as some researchers have linked the symptoms to the MSG in certain foods. In this article, learn more about the condition and when to see a doctor.

Exercise, the 'best antidepressant,' also prevents heart disease

Thu, 06/28/2018 - 14:00
Depression often interferes with the motivation to exercise and raises the risk of heart disease. New research aims to help people overcome this obstacle.

Even minor sleep problems raise women's blood pressure

Wed, 06/27/2018 - 16:00
A new study concludes that even minor sleep disturbances, such as finding it difficult to nod off, can increase the risk of hypertension in women.

Why do I get heart palpitations after I eat?

Tue, 06/26/2018 - 13:00
Some people experience heart palpitations after eating. This could be due to a range of causes, some of which are more serious than others. Specific foods and drinks are often responsible, with studies confirming alcohol as a trigger. Here, learn more about the causes of heart palpitations and when to see a doctor.

Five hot baths per week may be good for the heart

Tue, 06/26/2018 - 07:00
A new study examines the cardiovascular benefits of taking regular hot water baths among middle-aged to elderly Japanese individuals.

Six health benefits of safflower oil

Mon, 06/25/2018 - 11:00
Safflower oil is a healthful source of fatty acids in the diet. Research suggests that safflower oil is a heart-healthy choice that may have a range of health benefits, including when used in cooking or on the skin. In this article, we look at six benefits of safflower oil and how it may be useful for weight loss.

Targeting 'microtubules' could prevent heart failure

Mon, 06/25/2018 - 07:00
A study from the Perelman School of Medicine investigates an interesting new target for the prevention of congestive heart failure: microtubules.

What are the symptoms of heart disease in men?

Sun, 06/24/2018 - 07:00
Heart disease is a leading cause of death for men, who typically experience different symptoms than women. In this article, we cover the signs and symptoms of heart disease that may occur ahead of a heart attack or other severe complication. We also explain treatment options for the different stages of heart disease.

Brain tingling sensation 'ASMR' may benefit health

Sun, 06/24/2018 - 07:00
New research investigates, for the first time, the physiological and psychological benefits of the autonomous sensory meridian response (ASMR) phenomenon.

How four cups of coffee might protect the heart

Fri, 06/22/2018 - 10:00
Caffeine is known to protect against heart disease and stroke. A new study finds the mechanism that underpins this protection, and mitochondria are key.

Marriage is good for the heart — literally

Tue, 06/19/2018 - 15:00
A new study suggests that marriage may prevent heart disease and stroke, as well as prolong life for people who had a heart attack.

Are e-cigarette flavorings toxic to the heart?

Tue, 06/19/2018 - 14:00
A recently published study tests the safety of electronic cigarette flavorings on the cells that line the blood vessels and the inside of the heart.

What to know about peripheral vascular disease

Tue, 06/19/2018 - 11:00
Peripheral vascular disease (PVD) is when there is restricted blood flow to the limbs. Symptoms usually affect the legs, causing pain, cramps, and pale or blue skin. People who are over 50, have diabetes, or smoke cigarettes are more at risk of PVD. Read on to learn about the causes, symptoms, and treatment for PVD.

What can autopsies teach us about heart disease?

Mon, 06/18/2018 - 10:00
Are we overlooking an important source of clinical information by not using autopsy more in medical research? Several studies suggest the answer is 'yes.'

Red meat allergy may increase heart disease risk

Fri, 06/15/2018 - 14:00
According to a new study, red meat allergies may increase the risk of heart disease, even in people who only have minor reactions to the allergen.

Stable angina: Everything you need to know

Fri, 06/15/2018 - 11:00
Stable angina causes pain, squeezing, or tightness in the chest, usually when someone is stressed or doing physical activity. Narrowed arteries or blockages can reduce the blood flow to the heart, causing stable angina. Here, learn more about the symptoms, as well as the difference between stable and unstable angina.

24-hour Holter monitoring: What to know

Fri, 06/15/2018 - 11:00
A Holter monitor is a medical device that can help to diagnose heart problems, such as arrhythmias. A technician will attach electrodes to a person’s chest, and the person will wear the monitor for 24 hours. In this article, learn what to expect, how to wear the monitor properly, and what results mean.

A supple aorta might slow brain aging

Thu, 06/14/2018 - 16:00
Researchers investigate the role of arterial stiffness in memory decline in older adults. A flexible aorta may be key to maintaining cognitive ability.

Coronary artery spasm: What to know

Thu, 06/14/2018 - 11:00
Coronary artery spasm may cause pain, burning, or tightness in the chest, but it is often asymptomatic. While coronary artery spasms sometimes go unnoticed and do not cause significant problems, they can sometimes be life-threatening. In this article, learn more about the symptoms, risk factors, and how to treat it.

Even slightly elevated blood pressure increases dementia risk

Wed, 06/13/2018 - 10:00
Hypertension in middle age is known to increase the risk of dementia, but so far the specifics are unclear. A new study sheds fresh light on this matter.

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