Medical studies and research claim that there are many foods that can extend a person's life and preserve his health, and among those foods that have a magical effect on human health are walnuts.
A recent study, published recently in the Journal of "Aging Research", revealed that eating a handful of walnuts a week gives women, in particular, better health and a longer life.
According to the study, scientists found that in the late 1950s and early 1960s, women who consumed at least two portions of "walnuts" were more likely to maintain better mental and physical health.
The study indicated that this group enjoyed healthy mental health, and did not experience major diseases or physical problems after reaching the age of 65, according to the British newspaper "The Sun".
The researchers used data from approximately 34,000 women who participated in the "Nursing Health Study" in the United States from 1998 to 2002.
It is noteworthy that the health studies of nursing or nurses in the United States are a group of studies over many years, and they include hundreds of thousands of women, aiming in general to chronicle women's health, and cover the effects of exposure to smoking, oral contraceptive use, alcohol abuse, and diets on the risk of diseases in women.
According to the last study, about 16 per cent of the elderly women were in good health, and women who had eaten walnuts had more opportunities to join this group.
It is worth noting that the nut was the only ingredient associated with greater odds of better healthy aging after calculating other factors such as exercise.
Commenting on the results of the study, Harvard professor Francine Grodstein said: "There is no single solution to slowing the effects of aging, but adopting habits such as eating snacks from walnuts can help."
Participants in the study, whose meals included a handful of walnuts, were evaluated healthily in terms of memory and mental health concerns and chronic diseases, including cancer, heart disease, brain, diabetes, parkinson's.
Their ability to perform daily activities including climbing stairs, bathing and dressing was also tracked.
A previous study indicated that eating meals fortified with a handful of nuts daily could have an effective effect in combating dementia.
The study, conducted by researchers at the New York Institute for Advanced Disabilities and published in the Journal of Alzheimer's Patients, found that an appropriate amount of nuts can have a significant impact in reducing, delaying, slowing or preventing Alzheimer'sdisease risk.
The study also showed a marked improvement in educational skills and memory, and reduced the rate of confusion in rats fed with walnut rich meals.
Researchers believe that a high antioxidant in walnuts may protect the mind from developing Alzheimer's.
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