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Why what hurts you also hurts your baby
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The study found that 18 of the 20 pain regions in the brain that go off when adults feel pain also go off when babies feel pain, meaning adults and babies experience hurt in much of the same way. Babies, though, have a lesser threshold for pain than adults, the study said. - photo by Herb Scribner
Herb Scribner
Deseret News
Published: May 12, 2015, 5:09 AM
You and your baby feel pain in the same way, according to a new Oxford University study.

The study found that 18 of the 20 pain regions in the brain that go off when adults feel pain also go off when babies feel pain, meaning adults and babies experience hurt in much of the same way. Babies, though, have a lesser threshold for pain than adults, the study said.

This is particularly important when it comes to pain: Obviously babies cant tell us about their experience of pain and it is difficult to infer pain from visual observations, Dr. Rebeccah Slater of Oxford University said in a press release. In fact, some people have argued that babies' brains are not developed enough for them to really 'feel' pain, any reaction being just a reflex our study provides the first really strong evidence that this is not the case.

Watch this video from Oxford University to learn more about how babies feel pain.
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
Herb Scribner
Deseret News
Published: Aug 13, 2018, 1:39 PM
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.