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Reading fiction flexes the brain, study says
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Research says opening a good novel can be healthy for the brain. - photo by Erin Goff
We know physical workouts keep our muscles healthy, but mental fitness is just as important.

And researchers say opening up a good book can be good for your brain.

At Sagewood at Daybreak, they take their reading pretty serious, with an extensive library and a book club.

"I read two or three books a month because it helps me stay alert and I think as we get older our minds need to be fed," said 81-year-old Carol Smeltzer.

Evelyn Foster, 93 years old said, "Oh, your imagination can run away with you."

And that's why some researchers are prescribing a good book.

"Reading, especially fiction stimulates the neurons, the brain cells, and it stimulates especially the left side of the brain," Intermountain Southridge Clinic geriatric Dr. John Lassere said.

In a study out of Emory University, researchers found diving into a novel enhances connectivity in the brain and improves brain function.

"It's good if you increase the function of the brain ahead of time because then therefore if you have a problem with cognitive impairment down the road you have more reserve," Lassere said.

Reading can also improve your social skills, empathy and relationships with others. Smeltzer, who just finished reading the best-selling novel, "Wonder," agrees.

"You learn that you've got to be more thoughtful and understanding to people that are mentally and physically handicapped," Smeltzer said.

This month, the book club is listening to an audiobook, taking notes and discussing the characters while opening their minds and exercising a lifetime of memories.

Dr. Lassere also reminds the public that for good overall brain health, you also should eat healthy, exercise and control your blood pressure.
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.