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Why I love the Olympics
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It's easy to love the Olympics when you're country is winning, but there are a few more reasons why I love the Olympics. - photo by Kim Cowart
In 1984, I was sitting in front of our television in Roseburg, Oregon, watching Mary Lou Retton vault her way into fame.

A few days later, I watched Joan Benoit Samuelson become the first woman to win the first womens Olympic Marathon. I was 9 years old, and I still remember begging my mom to buy me a backpack with Sam the Eagle, the Olympic mascot, on the front. These two women sparked my love of the Olympics and that flame has yet to die out.

When the Olympics are on, I cant stop watching. I love to watch races determined by milliseconds. I love the drama and the back stories. I love to watch the parents and coaches live every up and down with their athletes. I love to see countless 4 a.m. wake-up calls and exhausting practice sessions pay off. But those arent the real reasons why I love the Olympics.

Heres why my televisions been on for two weeks straight.

First, I love the obscure sports. I love that for once, athletes who almost never get any recognition get to command our attention on the worlds stage. Many of these sports give young children hope. Trampoline, anyone? Any other little girls stand in front of their bathroom mirror waving their Strawberry Shortcake hair ribbons around pretending to be rhythmic gymnasts? I cant be the only one. Who knew handball, so popular at Green Elementary, could actually win me a gold medal? Had I known, maybe I would have taken my training on the playground a little more seriously.

Second, I love that women take center stage: Simone Biles, Katie Ledecky, Kristin Armstrong, Sarah Robles, Simone Manuel, Michelle Carter, Kayla Harrison. Im aware there are women in mainstream sports. Serena Williams, anyone? But lets be real. The majority of sports the masses watch on television are male dominated. What I see every day on my morning runs and gym workouts are women cycling, lifting, punching, running, throwing and generally killing it every day.

For a couple weeks every four years my personal experience is reflected in what I see on TV. Ever watch womens field hockey? Those women could teach American football players a thing or two about toughness: powerful, strong, focused, determined, fiercely competitive women these are the ladies I know.

Third, I love to watch the athletes who know they have absolutely no chance at medaling and still go out and give everything theyve got. I love that they arent doing it for Olympic glory but personal and patriotic glory. I love how they revel in the fact theyre on this big stage. I love the joy they exude when they put on their countrys uniform. It makes me want to be my best at whatever task I tackle.

Finally, I love that the Olympics brings together different cultures in peaceful competition. The only battles are those fought on the court, in the pool or on the track. In a time when our world seems so fraught with danger and fear, I love that sports bring out the best of the human spirit. I love that one minute Abby DAgostino from the U.S. and Nikki Hamblin from New Zealand are fierce rivals, but the next minute helping each other up off the track after a nasty fall and hugging it out at the finish line. No animosity. Just respect.

What strikes me most is if you strip away the flags and the uniforms, you strip away so much of what separates us. Whether from Jamaica or Iceland, athletes are athletes. They wake up early every morning. They train hard and dream big. They give their all and then some. Its their passion and commitment that makes this middle-aged woman a 9-year-old girl begging for an Olympic backpack again.
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.