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What really makes you fall in love
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According to a new study from researchers at the Emory University School of Medicine, your brain falls in love not your heart. - photo by Herb Scribner
According to a new study from researchers at the Emory University School of Medicine, your brain falls in love not your heart.

The researchers told DNA India that the brain releases oxytocin, dopamine and opiates, which are essential for the brain to feel feelings of love. These chemicals, which people experience every time they see their significant other, make people feel rewarded when they smell, touch or see their partner, which, according to the study, is the feeling we describe as love.

This is similar to a 2014 press release from the Loyola University Health System which states that dopamine creates a mix of chemicals that create physical reactions, like our hearts skipping a beat, that also make us feel the feelings of love. For example, the press release says that dopamine creates chemicals like adrenaline and euphoria, which makes our hearts literally skip a beat.

"Falling in love causes our body to release a flood of feel-good chemicals that trigger specific physical reactions," Pat Mumby, Ph.D., said in a press release for the study. "This internal elixir of love is responsible for making our cheeks flush, our palms sweat and our hearts race."

Some say, though, its better for you to follow your heart when making decisions since the brain consults the heart and its emotions in order to make the right choices about who you love, according to Dr. Baba Shiv of Stanford University.

For example, first impressions made by the heart or gut feelings give us an emotional front-runner that the brain sticks to when making decisions about people, situations and life, Shiv said. This is why some people often rely on their gut feelings and intuitions to make decisions, according to Carolyn Gregoire of The Huffington Post.

The heart also sends signals to the brain that help with decision-making, according to Dr. Joel Khan. Khan wrote the heart is often called the little brain because it recognizes situations and people and transmits emotions to the brain to help people make decisions.

Update: This article originally identified the information from Loyola University Health System as a study conducted by the university. It's been corrected to reflect that it was information published in a press release from Loyola about one of their psychologist's expertise elsewhere.
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.