National Police Air Service
No matter how cold it is, you're lucky you don't live on Venus.
Sometimes people having a mini stroke can experience visual loss, dizziness or vertigo.
D. Sinclair Terrasidius/Flickr
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.
Patient-specific aorta models with diseased coronary arteries.
Computer simulation and 3D printing are allowing scientists to develop faster, safer ways to test medical devices without installing them in live humans or animals.
As they transport blood against the force of gravity, veins require special mechanisms to ensure that blood doesn’t flow backwards.
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…