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Sugar reduces stress, but there are healthier ways to feel better
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Satisfying your sweet tooth can reduce stress, but that doesn't mean you should indulge often, according to new research. - photo by Kelsey Dallas
Satisfying your sweet tooth can reduce stress, but that doesn't mean you should indulge often, according to new research.

The study (paywall), published in April by a team of researchers at the University of California, Davis, found that sucrose, or pure sugar, consumption was associated with lowered cortisol levels. Cortisol is part of the body's fight-or-flight system and it builds up when people feel unsettled or upset.

Sugar's ability to soothe might appear to be an added benefit of snacking on something delicious, but the body's response can create a dangerous relationship to the substance, Pacific Standard reported.

"With sugar, we eat, calm down, gain weight, don't eliminate the source of stress, and continue the cycle until we've eaten the entire box of Thin Mints," the article noted.

As the study's authors wrote, this cycle "may make some people under stress more hooked on sugar and possibly more vulnerable to obesity and its related conditions."

The findings echoed research on comfort food more generally, which Deseret News National reported on in December. Favorite meals, whether they're sweet or savory, can bring a sense of calm to difficult moments, but experts said people should be careful not to let comfort foods become an emotional crutch.

"It's a problem when food becomes your only source of comfort, when you turn to comfort food instead of turning to a friend," Susan Albers, a psychologist at Cleveland Clinic, said.

The new sugar research both confirms assumptions about people's relationships to their favorite sweets and adds an urgency to the search for other, healthier ways to combat stress, Pacific Standard noted.

In a list of "science-backed ways to reduce stress," Greatist explored a variety of ways to relax without indulging in bad habits. The article highlighted meditation, deep breathing, tea drinking, laughter, exercise and joining a religious organization as key ways to bring a sense of calm to everyday life.

Additionally, Time recently reported on the well-being benefits of taking a walk around the block during the work day. "New research finds that a half-hour walk at lunchtime promotes increased relaxation and reduced stress among office workers," the article noted.

Perhaps the easiest (and most enjoyable) way to reduce stress if eating sweets is off the table is simply taking a nap. As The Huffington Post noted in a list of sleep's health benefits, sleeping well boosts your mind.
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.