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Balancing exercise, sleep for weight-loss success
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When thinking about fitness and getting in shape, people tend to focus on diet and exercise, but what about sleep? - photo by Jenniffer Michaelson
When thinking about fitness and getting in shape, people tend to focus on diet and exercise, but what about sleep? Burning calories is important when trying to slim down, but what's so wrong about burning the midnight oil?

Eric Lindley, an interventional cardiologist at McKay-Dee Hospital, said people who dont get enough sleep or the right kind of sleep good, deep, restorative sleep have a higher risk of being obese.

More and more evidence is stacking up to prove that sleep is a crucial part of fitness.

"We know that weight loss and weight gain is really intricately tied into both sleep and exercise," Lindley said.

A good nights rest not only maintains energy levels, but keeps muscles healthy and hormones balanced as well.

And for exercise: All the good hormones and endorphins that exercise releases can actually be an appetite suppressant," he said.

As people gain weight, Lindley said fat begins to take on a mind of its own.

It releases its own proteins, its own hormones and becomes incredibly lazy," he said.

The human body doesn't require a lot of energy to maintain fat, but when it comes to muscle Lindley says it takes a lot more calories to keep muscles alive and to keep muscle active than it does fat.

Lindley said adults need at least 6-8 hours of sleep a night and at least 30 minutes of moderate activity a day, no matter how physically demanding our jobs may be. The recommended 30 minutes can include activities like yard work, mowing the lawn, vacuuming and cleaning the house.

Lindley said exercise just makes you feel better about yourself, and people who feel better about themselves are less likely to eat unhealthy.

Another piece of advice: turn off the TV and stop checking emails at least 30-45 minutes before starting to falling asleep for a better night's rest. Getting a good night's sleep boosts workouts, and making time to exercise improves quality of sleep, creating quite a complementary relationship.
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.