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What is a hemangioma?
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A hemangioma, as defined by the Mayo Clinic, is "a birthmark that most commonly appears as a rubbery, bright red nodule of extra blood vessels in the skin." - photo by istockphoto.com/yasming

A hemangioma, as defined by the Mayo Clinic, is "a birthmark that most commonly appears as a rubbery, bright red nodule of extra blood vessels in the skin."

The vascular abnormality is common — occurring in about 1 out of every 100 births, according to Kids Health — and sometimes referred to as a strawberry mark, stork bite or port-wine stain. The cause of hemangiomas, however, is unknown.

There are three types of hemangiomas: a capillary hemangioma, which develops on the top layer of skin; a carernous hemangiom, which forms deeper in the skin; and a combination of the two.

Hemangiomas are more common in babies with fair skin. More females than males, and premature babies tend to develop these vascular abnormalities, the Mayo Clinic says. While a hemangioma can be present at birth, it may also develop several weeks afterward.

The good news is this type of birthmarks rarely causes problems, and many go away on their own. Some, however, are permanent.
Most permanent hemangiomas are not treated before a child reaches school age unless it is causing problems.

Occasionally, a child will experience discomfort or bleeding at the site of the vascular birthmark. Treatment should be considered if the hemangioma becomes painful; changes in size, shape or color; or causes severe emotional distress.

If your doctor thinks removal of the hemangioma is the best option, he or she will likely choose one of the following options:Corticosteroids or beta-blocker medicines, such as propranololFreezing the hemangiomaLaser treatments (to stop growth or remove the hemangioma)Surgical removalIn general, hemangiomas are more of an emotional concern than a physical health concern. Unless there is a physical problem, doctors usually don't like to treat them because of potential side effects, the Mayo Clinic says.

Removal of a hemangioma has best results the earlier it is done and the smaller size of the hemangioma.

Suzanne Carlile, "Nurse Suzy," has been a nurse since 1982. Her main focus is critical care and nursing education. She holds a master's degree in nursing, is a Certified Emergency Nurse, and a member of NNSDO Intermountain West Chapter.

Its toxic: New study says blue light from tech devices can speed up blindness
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A new study from the University of Toledo found that blue light from digital devices can transform molecules in your eyes retina into cell killers. - photo by Herb Scribner
It turns out checking Twitter or Facebook before bed is bad for your health.

A new study from the University of Toledo found that blue light from digital devices can transform molecules in your eyes retina into cell killers.

That process can lead to age-related macular degeneration, which is a leading cause of blindness in the United States, according to the researchs extract.

Blue light is a common issue for many modern Americans. Blue light is emitted from screens, most notably at night, causing sleep loss, eye strain and a number of other issues.

Dr. Ajith Karunarathne, assistant professor in the UT Department of Chemistry and Biochemistry, said our constant exposure to blue light cant be blocked by the lens or cornea.

"It's no secret that blue light harms our vision by damaging the eye's retina. Our experiments explain how this happens, and we hope this leads to therapies that slow macular degeneration, such as a new kind of eye drop, he said.

Macular degeneration is an incurable eye disease that often affects those in their 50s or 60s. It occurs after the death of photoreceptor cells in the retina. Those cells need retinal to sense light and help signal the brain.

The research team found blue light exposure created poisonous chemical molecules that killed photoreceptor cells

"It's toxic. If you shine blue light on retinal, the retinal kills photoreceptor cells as the signaling molecule on the membrane dissolves," said Kasun Ratnayake, a Ph.D. student researcher working in Karunarathne's cellular photo chemistry group. "Photoreceptor cells do not regenerate in the eye. When they're dead, they're dead for good."

However, the researchers found a molecule called alpha-tocopherol, which comes from Vitamin E, can help prevent cell death, according to Futurism.

The researchers plan to review how light from TVs, cellphones and tablet screens affect the eyes as well.

"If you look at the amount of light coming out of your cellphone, it's not great but it seems tolerable," said Dr. John Payton, visiting assistant professor in the UT Department of Chemistry and Biochemistry. "Some cellphone companies are adding blue-light filters to the screens, and I think that is a good idea."

Indeed, Apple released a Night Shift mode two years ago to help quell blue lights strain on the eyes, according to The Verge. The screen will dim into a warmer, orange light that will cause less stress on the eyes.