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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 8 min ago

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.