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Articles on Circulatory system

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Sometimes people having a mini stroke can experience visual loss, dizziness or vertigo. D. Sinclair Terrasidius/Flickr

A mini stroke is a warning! A stroke may follow

People having a mini stroke can experience a variety of symptoms. The most important are weakness on one side affecting the face, arm or leg – or all three – or speech disturbance.
As they transport blood against the force of gravity, veins require special mechanisms to ensure that blood doesn’t flow backwards. Colin Davis/Flickr

Health Check: what you should know about varicose veins

Veins are part of the body’s extensive network of blood vessels, returning blood back to the heart to maintain a continuous circulation. And when things go wrong with them, you can end up with varicose…

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