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'Stranger Things 2' adds more swearing. Is the show's second season too dark?
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This image released by Netflix shows David Harbour in a scene from "Stranger Things," premiering its second season on Friday. (Netflix via AP) - photo by Herb Scribner
Anyone watching Stranger Things 2 can expect more swearing and a darker tone.

The hit Netflix shows sequel season was released Friday, Oct. 27, with all nine episodes immediately available for binge-watching. So far, the shows already spawned memes, rave reviews and the discovery of cool easter eggs.

But the second season also features more cursing than the first, although both are rated TV-14.

So why the increase in language? The show's founder, Ross Duffer, acknowledged that the young characters are "much more foulmouthed in season two than in season one," according to an interview with WIRED. Co-creator Matt Duffer explained that the child actors actually pushed for more swearing.

But in real life its far worse," Ross Duffer told WIRED. "Im like, I cannot believe that came out of your mouth."

He added that "when Netflix saw the first two episodes, they realized this is fine, its not going to turn off families."

But according to Pop Sugars Alessia Santoro. the increased swearing is an issue parents and teens need to consider before watching.

"Although most of this can be attributed to the mouths of Dustin ... and Steve ..., several characters take to swearing to articulate their feelings this season," Santoro writes.

The show also includes sexual innuendos, an increased amount of blood and gore, and party scenes that include smoking and underage drinking.

Although 'Stranger Things' is rated TV-14, upon binge-watching season two I think I'd personally give season one a PG-13 rating and the second season closer to an R rating, simply because the Duffer brothers turned everything from violence to swearing up a few notches in the show's latest nine episodes, Santoro wrote.

Reviewers at The Guardian also questioned whether the second season was too dark" as the characters are reeling from PTSD."

But The Atlantics Sophie Gilbert wrote that focusing on the after-effects of physical and emotional trauma is a highlight of the shows second season.

"One of the most maddening tropes within disaster movies is how characters whove endured extreme trauma tend to instantly recover as soon as theyre rescued," Gilbert wrote. "'Stranger Things 2,' though, is inflected from the start with the sense that, even a year later, its characters are still deeply altered by what happened to them."

In fact, the shows monster called the Shadow Monster might be a metaphor for the characters' traumatic struggles.

The darkness, it explains, is always there, in this dimension and in others," Gilbert wrote. "But it also presents a more honest path to surviving it not an instant fix, but a slow, difficult path toward recovery.
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.