Sometimes your veins have trouble getting blood back up to your heart. This can result in varicose veins , which can look like the veins are bulging out of your skin. It happens most often on your ...

T he heart is the body's hardest-working muscle. Whether you're awake or asleep, or exercising or resting, your heart is ...

4. Fatigue and dizziness. Although problems like fatigue and dizziness are very common. But if you often feel tired and dizzy, then these problems can be a sign of blockage in the heart veins.

Varicose veins — which affect about a third of all adults — look knotty, swollen and twisted. They can also be “a source of pain and discomfort, especially if you’re standing or walking ...

A newly released medical study examined the impact that marijuana usage, including the use of THC-laced edibles, might have on the heart and found evidence suggesting it could increase the risk of ...

Veins perform the opposite function, collecting blood from tissues and returning it to the heart. Unlike arteries, veins contain valves that prevent backward flow as blood travels against gravity ...

Weakened vein walls or valves may not be able to keep the blood flowing in the right direction—toward the heart. If blood backs up, varicose veins can occur. How To Reduce Your Risk ...

Where Is Your Heart and What Does It Look Like? The heart is located under the rib cage, ... Left side of the heart. The pulmonary veins empty oxygen-rich blood from the lungs into the left atrium.

From stress to dehydration, there are many reasons why some people's veins may be "hard to find" when they're getting an infusion or blood draw. When you purchase through links on our site, we may ...

Spider veins (telangiectasia) are visible, damaged blood vessels that look like branches or webs of purple, blue or red. While spider veins are typically harmless, some people want to remove them ...

A new study has found that replacing sitting with standing without moving, like what you do at a standing desk, might not be enough to lower heart disease risk over time.

It was called "Why do veins appear blue: A new look at an old question" and was written by Alvin Kienle and colleagues. The blue colour of veins turns out to be caused by four separate factors.