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Recent research indicates daily consumption of pistachios may benefit vision health

Could 2 handfuls of pistachios a day help protect your eyes as you age? A new study from Tufts University says yes.1 The research found that eating just 2 ounces of pistachios every day may significantly improve eye health by increasing levels of a key antioxidant that helps protect vision.

The study, led by researchers at the Friedman School of Nutrition Science and Policy at Tufts University, showed that pistachios, which have measurable amounts of a plant-based pigment called lutein,2 can help increase macular pigment optical density (MPOD). This important part of the eye filters harmful blue (visible) light and protects against age-related macular degeneration (AMD), which is one of the leading causes of blindness in older adults.

Findings from this research are timely, as according to a national poll by the American Foundation for the Blind, Americans fear vision loss more than they fear other serious health problems.

What the study found
Better Eye Health in Just 6 Weeks: Middle-aged and older adults who were otherwise healthy and ate 2 ounces (about 2 handfuls) of pistachios every day saw significant increases in MPOD after only six weeks.

Provides Antioxidant Lutein: Pistachios are the only nut with measurable amounts of lutein, an antioxidant and blue light filter that may help protect eyes from light damage and supports long-term vision health. In the study, lutein intakes nearly doubled and blood lutein levels were significantly elevated.

Age-Related Vision Protection: The study suggests that pistachios could be a simple, natural way to help reduce the risk of AMD, a serious eye condition that affects millions of people as they get older.

"Our study shows that pistachios aren't just a tasty snack—they may also be great for your eyes," said Dr. Tammy Scott, a research and clinical neuropsychologist and lead author of the study. "By eating a small amount every day, you may help protect your vision, especially as you get older."

How pistachios help the eyes
"Lutein is an antioxidant that acts like sunglasses for your eyes," explains Dr. Scott. She adds that lutein is selectively taken up into the retina and helps filter out harmful blue light from computer screens and sunlight and may help reduce damage to the delicate parts of the eye.

Average lutein intakes are very low in the United States,5 but eating pistachios may help change that. In the study, about 1.6 mg of lutein was provided from pistachios, which would be enough to double the average daily consumption of lutein in adults.5

To read the full report, click here.

For more information:
Amber Wilson
American Pistachio Growers
Tel: +1 (310) 384-4251
Email: [email protected]
www.americanpistachios.org

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