“Let food be thy medicine and medicine be thy food.” —Hippocrates
A new study has found that eating leafy green vegetables such as spinach, kale and mustard greens can have a dramatically positive effect on our thinking abilities. In fact, older people who eat one to two servings a day of leafy greens have the cognitive skills of a person over a decade younger.
Lead researcher Martha Clare Morris, Sc.D. will present the new findings at the American Society for Nutrition (ASN) Annual Meeting during Experimental Biology 2015.
Losing one’s memory is a big fear as people age, says Morris. Eating more leafy green vegetables could offer a very simple, affordable and non-invasive way of protecting your brain from Alzheimer’s disease and dementia, she adds.
According to the Alzheimer’s Association, Alzheimer’s is the sixth leading cause of death in the U.S., with almost most two-thirds of those with the disease being women.
For several years, researchers followed 954 older adults (average age 81) from the Memory and Aging Project, a study which aims to identify factors leading to healthier cognition.
Participants filled out a 144-item questionnaire in which they reported their daily food and drink consumption. Their cognitive skills were also evaluated each year through a battery of 19 tests. The findings were clear: those who ate more leafy greens had a significantly slower rate of cognitive decline. It was as if they had the brain of a person 11 years younger.
As baby boomers approach old age, there is a great public demand for lifestyle behaviors that can keep memory loss at bay, says Morris. Making the simple choice to eat leafy greens and other foods rich in vitamin K, lutein and beta-carotene can protect the brain and preserve its functioning.
Other good sources of vitamin K, folate and beta carotene include brightly colored fruits and vegetables. It’s wonderful to know that something so simple—and delicious—as eating a daily kale or spinach salad (or smoothie) can help preserve our very precious thinking skills. Food truly is the best type of medicine.
Traci Pedersen is a professional freelance writer who specializes in psychology, science, health, and spiritual themes. Some of her most recent work includes covering the latest research news in science and psychology, writing science chapter books for elementary students, and developing teacher resource books. When she is not researching and writing, she is spending time with her family, reading anything and everything, and going to the beach as often as possible.
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