HealthPistachios prove vital in boosting eye health, new study finds

Pistachios prove vital in boosting eye health, new study finds

Scientists from Tufts University in Massachusetts have conducted research revealing new insights into the health benefits of pistachios. While it has long been known that these distinctive green nuts are packed with nutrients, recent findings suggest their impact on health may be even more significant—particularly for our eye health.

They were eating pistachios for two weeks.
They were eating pistachios for two weeks.
Images source: © pxhere
Bogdan Kicka

3 November 2024 19:24

- We hope people will start to see pistachios as more than just a healthy snack, said Prof. Tammy M. Scott, the lead author of the study, quoted by "Newsweek".

Scott, working at the Friedman School of Nutrition Science and Tufts University School of Medicine, along with her team, focused on lutein, an antioxidant found in high concentrations in pistachios.

Pistachios – Health encapsulated in a green nut

Pistachio nuts have an ancient history, known for over 10,000 years, with crops particularly popular in Syria. Although initially considered "snacks for kings," they gradually gained popularity worldwide. In the 19th century, they made their way to the United States, which now leads in pistachio production.

Research confirms that pistachios offer many valuable components, including antioxidants, minerals, and vitamins. However, it is the lutein, which they contain in exceptionally large amounts, that captured the attention of researchers at Tufts University.

Research procedure and results

The study involved two groups. One continued their usual diet, while the other enriched it with about 50 grams of pistachios daily, equivalent to two handfuls of nuts. As a result, participants consumed twice as much lutein as before the experiment began.

Scientists measured the MPOD (macular pigment optical density in the eye) in all participants before the study and again after six and twelve weeks. Even after the first measurement, conducted after six weeks, a significant increase in MPOD was observed in people consuming pistachios.

- People who ate pistachios experienced a significant increase in their MPOD within just six weeks, suggesting that regular consumption of pistachios may help maintain eye health by increasing lutein levels in the retina, stated Dr. Scott.

Studies indicate that regular consumption of pistachios may be a simple, natural way to support eye health, which becomes particularly important with age as the risk of vision problems increases.

An alternative to expensive pistachios

Although pistachios are notable for their high lutein content, their price means not everyone can afford to include them regularly in their diet. However, there is a cheaper alternative. Doctors and specialists recommend carrots—a popular vegetable rich in beta-carotene, which the body converts into vitamin A, also essential for eye health.

Carrots, belonging to the parsley family, are known for their health benefits. In addition to beta-carotene, they provide vitamins from the B group, vitamins C, E, and K, and fibre. They are also widely used in the pharmaceutical and cosmetic industries.

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