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The pros and cons of a selfie-obsessed culture
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"Posting numerous selfies was related to both higher narcissism and psychopathy," Psychology Today reported in its article on the research. "This study suggests that narcissists are more likely to show off with selfies and make extra effort to look their best in these photos." - photo by Kelsey Dallas
Kim Kardashian West became a published author this week. But instead of being filled with her thoughts on fashion or life in Hollywood, her book, "Selfish," is composed of more than 400 photos of her face.

"To be clear: This book consists entirely of selfies," wrote Laura Bennett in a review of "Selfish" for Slate. "(They're) arranged chronologically over three decades, a flipbook of thickening makeup and increasingly complicated hairdos."

The project is the latest talking point in a public debate over life in a selfie-obsessed culture. To some, including Bennett, the photographs are silly but harmless, emblematic of young Americans who spend hours each day on social media sites. However, others worry that selfies represent a troubling narcissistic streak in contemporary America.

Earlier this year, a pair of researchers at The Ohio State University published their investigation into the relationship between taking selfies and the undesirable psychological traits of narcissism, psychopathy and Machiavellianism, or a penchant for manipulation. The study analyzed the social media habits and personalities of 1,000 men between the ages of 18 and 40.

"Posting numerous selfies was related to both higher narcissism and psychopathy," Psychology Today reported in its article on the research. "This study suggests that narcissists are more likely to show off with selfies and make extra effort to look their best in these photos."

The study shouldn't be taken to mean that all selfie-obsessed men are psychopaths, but it does illustrate how the practice can bring out the worst aspects of someone's personality, The Huffington Post reported at the time.

Selfie supporters don't deny that the practice can be self-indulgent, but they highlight how the photographs increase the likelihood for personal connection in an age where social interactions predominately occur online, as reporter Jenna Wortham did in a piece for The New York Times.

"It's far too simplistic to write off the selfie phenomenon," she wrote. "Receiving a photo of the face of the person you're talking to brings back the human element of the interaction, which is easily misplaced if the interaction is primarily text-based."

She added, "(Selfies are) about showing your friends and family your elation when you're having a good day or opening a dialogue or line of communication using an image."

As Bennett writes in her Slate review, "Selfish" is not for everyone, most notably those who turn up their noses at selfies. This week also brought a new book for members of that camp: "Unselfish: Love Thy Neighbor as Thy Selfie," is full of pictures of people serving others.
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.