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The skinny on how pasta affects your weight
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Italian researchers say that pasta eating is linked to healthy body weight. But use your noodle before you ramp up the linguini, and follow this advice to make pasta a healthier dish for your family. - photo by Jennifer Graham
Italian researchers say pasta eating is linked to a healthy body weight. Before you roll your eyes, know that an older study in the U.S. said much the same.

The first study, led by researchers at the University of Chicago in 2012, found that people who ate more fruit, pasta and rice had less body fat than people who ate more animal protein.

The latest research, published July 4 in the journal Nutrition & Diabetes, found that people who ate reasonable amounts of pasta had better body-mass indices and smaller waists.

Pasta eating, the report said, was associated with the healthful Mediterranean style of eating, which is one of three styles promoted by the U.S. dietary guidelines. People who ate pasta were more likely to eat other staples of a Mediterranean diet, such as onions, garlic, olive oil and cooked tomatoes, the researchers said. (Like asparagus and carrots, tomatoes are better for us when they're cooked, because more nutrients are released.)

In a report on the study, CNN noted that pasta, long a staple of long-distance runners on the eve of a race, has fallen out of favor in America in recent years. Many Americans see pasta as nutritionally vacant, but Italians still view it as the foundation of their food pyramid, CNN said.

In fact, a typical cup of regular pasta provides 6.7 grams of protein and small amounts of calcium and potassium. Whole-wheat, enriched pasta also has iron, B vitamins and fiber, CNN said.

Another pasta myth is that its origins are Italian. Many people think it originated in China; others claim the Etruscans created it in 400 BC.

Regardless, credit Thomas Jefferson for its popularity in America. While serving as the ambassador to France, Jefferson became enamoured of pasta which he called macaroni and ordered crates of it and a pasta maker sent to his home in the U.S. He later served it in the White House when he was president.

Of course, Jefferson and the other founding fathers didn't worry much about their weight, unlike the third of contemporary Americans who are obese. And the trim Italians eating pasta are likely dabbing it with olive oil, not coating it in butter and cheese.

There is one sure-fire thing you can do to make your family's pasta dinner even healthier and no, it's not serving it cold.

The British TV show "Trust Me I'm a Doctor" got lots of publicity in 2014 when it tested blood glucose levels of 10 people who ate fresh, cold or reheated pasta. Glucose levels were lower when people ate pasta that had been cooled, then reheated, leading researchers to conclude that less of it is digested.

But until there's a study of 10,000 people, not 10, there's an even more reliable route: Buy pasta that is 100 percent whole wheat and cook it al dente (firm, not mushy). As James Hamblin wrote recently in The Atlantic: "Eat whole grains instead of just their starchy white endosperm whenever possible, and a persons odds of health increase."
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.