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Woman wakes up in excruciating pain and a hole in her face; she finds the cause in her hand and real
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"This scenario is literally on the top of my nightmare list," said Meghan Linsey, former Voice contestant and singer. - photo by Stacie Simpson
A nightmare came to life for Meghan Linsey, a singer songwriters and runner up on the eight season of NBC's The Voice, when she woke up with a dead spider on her hand and a swollen, stinging face.

Sometime during the night the spider bit her face and she must have killed it. Linsey bagged the spider and drove to the urgent care, positive that the spider bite was poisonous. Sure enough, the spider was identified as a brown recluse is one of the most dangerous spiders in the world, and its bite can be deadly.

In days after the bite Linsey had a wide variety of symptoms.

From excruciating nerve pain in my face, muscle spasms, full body rash, extreme swelling... etc," she posted on Instagram. "It has really been rough.

Around day nine, the face tissue around the bite started turning black, which is a sign of necrosis (when the tissue dies).

Fortunately Linsey's bite wouldn't risk her life, but she might have scaring on her face. To help the wound heal faster, she received treatment in a hyperbaric chamber. Finally, 25 days after the bite, all the black skin was gone and her face started to look a little more normal.

And then the wound closed up.

Though Linseys bite wasn't deadly, she encouraged people to PLEASE, if you live in area where these spiders are, do some research and learn how to protect yourself!

Poisonous household spiders...all need to be treated immediately

Knowing the differences between poisonous and harmless spiders will keep you and your family safe. Children and the elderly are in more danger when it comes to spider bites, so keep an eye on any itchy or painful bites. When in doubt, seek medical attention.

If you see any of these spiders around your home, it's a good idea to reach out a pest management professional or follow tips for spider control.

Brown Recluse

This spider is very poisonous, and can cause death. It is light to dark brown and often has a violin-shaped marking on its back, though its most identifying feature is its eyes. Spider normally have eight eyes, but the recluse only has six.

They are found across the United States, but are most common in the south. These spiders tend to hide in sheds, closets, boxes, garages, basements, woodpiles and behind pictures.

A brown recluse bite will start by itching, but will quickly turn into a blister then an open sore followed by a rash. These bites are known to cause necrosis, which is when the tissue dies.

Black Widow

This spider is easy to identify by looking for a yellow orange to bright red hourglass or dot on its abdomen.

Found across the world, this spider likes to hide in rarely disturbed areas including in house crawl spaces, basements, sheds and among outdoor furniture.

A bite from this spider will first appear as two spots followed by muscle and nerve spasms near the bite, followed by fever and nausea.

Hobo Spiders

This spider is often mistaken as a brown recluse and through the hobo spider is poisonous the recluse is much more dangerous. This spider is identified by their brown color and chevron shapes on the spiders abdomen.

They like to hide behind furniture and in cupboards, attics, basements and closets. They mostly reside in the northwest.

Their bites cause similar symptoms to the brown recluse bites, but no person has died from this spiders bite and you dont need to fear necrosis.

Mouse Spiders

These large spiders will occasionally have bright red heads and fangs and are generally not aggressive, which means they will bite only when provoked. Their long, large fangs bite deep and bites are very painful.

They generally burrow in the ground, but will come out during the day to find mates.

Black House Spiders

These spiders are dark brown to black with a velvet look. They are not fatal, but very poisonous. Its commonly found on windows, gutters, toilets, sheds, brickwork, rocks and bark.

Wolf Spiders

Look out for a grey to brown colored spider with a Union Jack symbol on its back. This spiders bite is not fatal, but still very poisonous. They tend to move around at night, and can move very quickly when disturbed. It is commonly found in gardens or along fences.

American House Spider

These spiders are yellow brown to dirty white in color with spots (sometimes triangular in shape) on the abdomen. They are found in houses across the United States, often hanging out in window or ceiling corners and behind furniture.

Yellow Sac Spider

These yellow to beige spiders are found across the United States and are mostly legs (especially since their front legs are much longer than the others). They like hanging out on ceiling corners, baseboards and wood piles.
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.