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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 15 min ago

Type 2 diabetes: Weight regain reduces cardiovascular benefits

Fri, 10/11/2019 - 14:00
New research on type 2 diabetes shows that regaining weight reverses much of the cardiovascular risk reduction that initial weight loss affords.

Having a dog may boost survival after a heart attack or stroke

Wed, 10/09/2019 - 14:00
Two new studies show that owning a dog significantly reduces people's risk of death following a heart attack or stroke, as well as death from any cause.

Existing blood thinner delays Alzheimer's disease in mice

Tue, 10/08/2019 - 14:00
New research in mice suggests that dabigatran, a blood thinning drug, may help delay the development of Alzheimer's by maintaining normal brain blood flow.

¿Por qué me duele el brazo izquierdo?

Fri, 10/04/2019 - 07:00
El dolor repentino o inexplicable del brazo izquierdo puede deberse al envejecimiento, pero también puede indicar un ataque cardíaco o angina. ¿Cómo saberlo? Infórmate aquí sobre diagnóstico, tratamiento y síntomas adicionales.

What is claudication?

Fri, 10/04/2019 - 00:00
Claudication is pain, cramping, or fatigue in the muscles that usually occurs during exercise and goes away with rest. Learn about why it happens, what it feels like, and treatments here.

Drug that targets body clock may prevent heart attack damage

Thu, 10/03/2019 - 15:00
New research in mice shows that an innovative method targeting body clock mechanisms could promote better repair of the heart muscle after a heart attack.

Omega-3 fish oil supplements may lower heart attack risk

Thu, 10/03/2019 - 09:00
An updated, pooled analysis of trial data links daily omega-3 fish oil supplements to lower risk of heart attack and death from cardiovascular disease.

What are the health benefits of cardamom?

Wed, 10/02/2019 - 20:00
Cardamom is a spice that many people use in cooking and medicine. Here, we discuss the possible research-backed benefits of cardamom, such as providing antioxidants, improving heart health, and fighting cancer.

How to get rid of a lactic acid buildup

Wed, 10/02/2019 - 04:00
The body produces lactic acid when it is short of oxygen. Lactic acid buildup can cause a range of symptoms. Learn about lactic acid buildup, and how to prevent and reduce it, here.

What is the difference between sea salt and table salt?

Wed, 10/02/2019 - 00:00
Sea salt is a natural alternative to table salt. Some people mistakenly think it is better for their health. Learn more about the differences between table salt and sea salt here.

What to know about blood pressure rates after exercising

Tue, 10/01/2019 - 17:00
This article describes optimal blood pressure readings. In it, we also investigate how to lower blood pressure through exercise and other lifestyle changes.

New reviews contradict previous guidelines around red meat consumption

Tue, 10/01/2019 - 15:00
A new set of reviews suggests that red meat may not be as harmful to health as previously thought. Why, and what recommendations do the authors make?

Better quality 'good' cholesterol may fight atherosclerosis in diabetes

Tue, 10/01/2019 - 07:00
Evidence from a new study in mouse models shows that increasing the level of functional 'good' cholesterol may help reverse atherosclerosis in diabetes.

What to know about hand veins

Sat, 09/28/2019 - 04:00
The veins in the hands can bulge for many reasons, including aging, exercise, and warm temperatures. In this article, learn more about these and other causes, as well as when to see a doctor.

What to know about taurine

Fri, 09/27/2019 - 06:00
Taurine is an organic compound that may help with conditions such as cardiovascular disease and diabetes. Learn more about taurine, including its side effects here.

Fluctuating blood pressure may speed up cognitive decline in Alzheimer's

Wed, 09/25/2019 - 07:00
New evidence suggests that managing blood pressure may help slow down the progression of cognitive decline in people with Alzheimer's disease.

Severe gum disease linked to 49% higher risk of hypertension

Tue, 09/24/2019 - 10:00
A new systematic review and meta-analysis concludes that there is a linear association between the severity of gum disease and the risk of hypertension.

What causes itchy legs?

Fri, 09/20/2019 - 04:00
Itchy skin, or pruritus, is common and can affect any part of the body. Many factors can cause itchy legs, including skin conditions, diabetes, or allergic reactions. Learn about causes and treatments here.

Beta-blockers for anxiety: What to know

Fri, 09/20/2019 - 02:00
Beta-blockers are a type of medication that can treat heart conditions. Some doctors also prescribe them to ease the symptoms of anxiety. Learn more in this article.

What is the ideal heart rate when running?

Tue, 09/17/2019 - 17:00
Keeping track of heart rate while running can help people maximize their fitness or weight loss goals. Learn about heart rate zones, safe levels, and how to measure heart rate here.

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