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Mohamed El Sayed / Anatolia
Taking vitamin D supplementation can improve memory, learning, and decision-making in older women, according to a recent US study.
The study was conducted by researchers from Rutgers University of America and published their findings in the latest issue of the journal Journals of Gerontology: Series A.
To achieve the results of the study, the team followed 3 groups of women aged 50 to 70 for one year.
During the study period, the first group received the recommended daily dose of 600 IU vitamin D supplementation, the second treated 2,000 IU, the third treated 4,000 IU daily.
The researchers found that older obese women who consumed 2,000 IU vitamin D, more than three times the recommended daily dose, had an improvement in memory and learning compared to those who ate 600 units or more. 4,000 units a day.
In contrast, those who took 4,000 IU of vitamin D daily had a slower reaction during movement, which could increase the risk of falling older people.
"Evidence suggests that vitamin D plays a role in improving the cognitive and normal functioning of the central nervous system, especially in the elderly," said Dr. Su Shabes, a professor of nutrition science at the University of California. Rutgers University and lead author of the study.
"Many people think that an excessive intake of vitamin D supplements is better for health, but it should be noted that the slower reaction seen in those who consume about 4,000 IU per day can have negative consequences such as that there is an increased risk of falls and fractures, "she said.
The sun is the first safe source of vitamin D and gives the body the need for ultraviolet light needed for vitamin production.
Vitamin D deficiency can be offset by eating foods such as oily fish such as salmon, sardines, tuna, fish oil, cow's liver and eggs, or by taking supplements of this vitamin available in pharmacy.
The body uses vitamin D to maintain bone health and absorb calcium effectively. In addition, lack of vitamin can increase the risk of injury in people with osteoporosis and bone malformations, cancer and inflammation, and disrupt the body's immune system.
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