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According to a recent US study, taking vitamin D supplements can improve memory, learning, and decision-making in older women.
The study was conducted by researchers from Rutgers University in the United States and published their findings in the latest issue of the journal "Journals of Gerontology: Series A".
The team monitored 3 groups of women, aged 50 to 70, for one year to get the results of the study.
The first group included the recommended daily dose of 600 IU vitamin D supplementation, the second, 2,000 IU and the third, 4,000 IU daily during the study period.
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 consuming 600 units or 4 000 units a day.
Those who took 4,000 IU of vitamin D 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 cognitive and normal functioning of the central nervous system, particularly in the elderly," said Dr. Supsis, professor of nutrition science at the University of Toronto. 39 Rutgers University.
"Many people think that excessive consumption of vitamin D supplements is better for health, but it should be noted that the slower response seen in those who take around 4,000 IU per day can have negative consequences, such as increased risk of falls and fractures ".
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 compensated by eating foods such as oily fish such as salmon, sardines, tuna, fish oil, cow's liver and eggs, or by taking supplements from this diet. Vitamin available in pharmacies.
Vitamin D helps maintain bone health and the effective absorption of calcium. Lack of vitamin A can increase people's risk of vulnerability to bone fragility, cancer, inflammation and the disruption of the immune system.
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