Vanity Fair: 21 Elegant White Dresses All Brides Should Consider for Any Wedding Occasion Calling all spring-summer brides who are in search of elegant white dresses for their various wedding festivities. It’s no secret that brides today end up wearing more than one special white dress for ... 21 Elegant White Dresses All Brides Should Consider for Any Wedding Occasion Raynaud's disease causes smaller blood vessels that supply blood flow to the skin to narrow in response to cold or stress.

Understanding the Context

The affected body parts, usually fingers and toes, might turn white then blue. Depending on your skin color, these color changes may be harder or easier to see. The affected areas may feel cold and numb until blood flow improves, usually after warming up. You could have white coat hypertension.

Key Insights

This means your blood pressure is higher at a healthcare professional's office than in other settings, such as at home. It's called white coat hypertension because people who measure blood pressure sometimes wear white coats. The stress of a health checkup may be the cause of white coat hypertension. It was once thought that if blood pressure goes up ... White blood cells come from the spongy tissue called bone marrow inside some of the larger bones.

Final Thoughts

Conditions that affect the bone marrow are most often the causes of low white blood cell count. Overview Children with pediatric white blood cell disorders have too few or too many white blood cells. White blood cells, called leukocytes, are part of the immune system. They come from bone marrow and help fight infections. Several conditions can cause having too few or too many white blood cells. Wolff-Parkinson-White (WPW) syndrome is a heart condition present at birth.

That means it's a congenital heart defect. Researchers aren't sure what causes most types of congenital heart defects. WPW syndrome may occur with other congenital heart defects, such as Ebstein anomaly. Rarely, WPW syndrome is passed down through families.