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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: 1 hour 52 min ago

Financial worries may raise heart attack risk by 13-fold

Sat, 11/11/2017 - 08:00
Those who experience a significant level of financial stress are 13 times more likely to have a heart attack, according to new research.

What are the health benefits of purple rice?

Fri, 11/10/2017 - 08:00
In this article, we take a look at the health benefits of purple rice. Included is information on its nutritional value, and how best to cook it.

Does blood flow from the heart affect memory?

Thu, 11/09/2017 - 08:00
Emerging research shows that reduced blood flow from the heart is tied to poor circulation in the brain's memory 'hub,' where Alzheimer's also originates.

Brisk walking may help older women live longer

Wed, 11/08/2017 - 15:00
A study of physical activity in older women tied brisk walking or similar exercise to a 60–70 percent lower risk of early death, compared with inactivity.

Got the night munchies? Beware diabetes and heart disease

Wed, 11/08/2017 - 08:00
Emerging research suggests that eating late in the evening can increase susceptibility to heart disease and diabetes, putting 'night owls' at risk.

Aspiring astronauts: Beware of the health risks of space travel

Fri, 11/03/2017 - 15:00
Trips to distant planets may soon be reality. But space travel takes its toll on the human body. How will our intrepid explorers stay safe?

Just two sugary drinks per week may raise type 2 diabetes risk

Fri, 11/03/2017 - 07:00
We all know that sugary drinks are not great for our health, but how much is too much? A new review of existing studies investigates.