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Nap time is sacred, and other truths of the toddler years
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After a big sibling gap, I'd all but forgotten the up and downs of spending a day alone with a toddler. - photo by Erin Stewart
My older daughters headed back to school last week, which meant I was finally going to have some quiet, alone time with my toddler son. Just me and him. Reading books. Singing songs. Bonding during park picnics. Probably wearing matching outfits while frolicking through meadows, as one does.

Halfway through our first morning together, we shared an uncomfortable 10 minutes wherein we just stared at each other. I looked at my watch. He looked around for his sisters, and then at me with an expression that clearly said, Youre up, Mom. This better be good.

My son came to our family on the tail-end of a six-year gap to the next sibling. So its been a while since Ive entertained a toddler. Id all but forgotten what its like to spend my days chasing after a pint-sized acrobat who thinks everything in the house is a climbing apparatus and everything on the floor is his personal feast. Seriously, how can a toddler not focus on anything, ever, but can laser-focus on a bead stuck in shag carpet until he claws it out and eats it?

Most of all, I had forgotten the toys. Oh, the toys. The inane songs in cheery voices that blare from every molded plastic atrocity in our home. If you see me humming to myself in public, chances are high that Im singing The Cookie Jar Song, which is a soul-killing song on loop from this one shape-sorting toy that goes Shapes are in my cookie jar. Triangle! Heart and star!

Im convinced that somewhere, there is some underground research lab where diabolical scientists come up with new ways to make these songs and toys both mind-numbing and addictive at the same time. I woke up from one of these trances recently to find my son had fallen asleep on the floor next to me while I repeatedly put a small ball through a hole and watched it drop down the tube.

It was a proud mommy moment for sure.

Here are some of the other toddler truths that have come zooming back to me this month:

1. A granola bar can destroy an entire house.

2. There is no point in cleaning until the kids are all 18.

3. I will cut you if you ring the doorbell during nap time. Just kidding. I wont hurt you. But I will make you baby-sit. You woke him. You watch him.

4. If you see me acting like a lunatic at a stoplight, its because Im trying to keep my baby awake. Because if he so much as shuts his eyes for two minutes, the whole nap time is blown. And mommy needs nap time.

5. When toddlers see a baby gate, they think Challenge accepted.

But for all the crazy that comes with toddlers, Im also remembering the joy. There is nothing sweeter than a quiet, mommy-child moment with a just-walking baby. Or in a high chair covered in peaches. Or in a baby swing laughing in the wind or dancing in the kitchen.

And somehow, in those one-on-one moments, all the inexplicable granola bar smears, the toy-covered carpet and the constant climbing dont seem so bad. Because I know these toddler days will pass all too swiftly, and when they do, my mind will hold on to one simple thing:

"The Cookie Jar Song."
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.