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Large-scale research reveals the secret to vitamin D supplementation and reducing the risk of dementia**.
Introduction: In recent years, the relationship between vitamin D and dementia risk has attracted widespread attention. The results of a large study suggest that vitamin D supplementation may reduce the risk of dementia. This article will break down this in detail and provide you with practical dry tips.
1. The mysterious relationship between vitamin D and dementia risk.
1.The role of vitamin D.
Vitamin D is an important fat-soluble vitamin, which is mainly obtained through two main pathways: sun exposure and dietary intake. Its main role is to regulate calcium and phosphorus metabolism and maintain bone health. In addition, vitamin D also has physiological functions such as anti-inflammatory, antioxidant, and immune regulation.
2.The grim situation of dementia.
Dementia is a serious neuropsychiatric disorder characterized by progressive cognitive decline. Globally, about 50 million people are living with dementia, and this is expected to reach 152 million by 2050. The most complex forms of dementia include Alzheimer's disease, vascular dementia, etc. At present, there is no specific drug for dementia, and the clinical goal is mainly to alleviate symptoms and delay the progression of the disease.
3.Association of vitamin D with dementia risk.
In recent years, studies have found an association between vitamin D levels and the risk of dementia. Some studies suggest that vitamin D deficiency may lead to cognitive decline and increase the risk of dementia. Vitamin D supplementation may reduce the risk of dementia and improve cognitive function. This association is particularly pronounced in older adults.
2. Large-scale studies have confirmed that vitamin D supplementation reduces the risk of dementia.
1.Overview of the study.
A recent study involving more than 4,000 participants found that vitamin D supplementation significantly reduced the risk of dementia. The study was a prospective cohort study with participants over 65 years of age and a mean follow-up of 77 years.
2.Findings:
The study found that participants with vitamin D deficiency had a 2nd increased risk of dementia compared to participants with normal vitamin D levels25 times. Among the participants who supplemented with vitamin D, the risk of dementia was reduced by 23%. In addition, studies have also found that higher vitamin D levels are associated with a lower risk of dementia.
3.Mechanism**.
The mechanisms by which vitamin D reduces the risk of dementia may include the following:
1) Maintain neuromuscular function: Vitamin D helps maintain the normal function of neuromuscles and prevents neurodegeneration.
2) Antioxidant effect: Vitamin D has an antioxidant effect, which can reduce oxidative stress in the brain and reduce the risk of dementia.
3) Regulate immunity: Vitamin D regulates immune function, reduces inflammation, and helps prevent dementia.
4) Protect blood vessels: Vitamin D helps improve blood vessel function and reduce the risk of vascular dementia.
3. Dry goods suggestions: how to supplement vitamin D scientifically
1.Moderate sun exposure.
Moderate sun exposure is an important way to naturally synthesize vitamin D. Choose a sunny spot from 10 a.m. to 3 p.m. every day, expose your hands, arms, and face, and try not to apply sunscreen, 2-3 times a week, for 10-15 minutes each time. Take care to avoid strong sun exposure to avoid causing **damage.
2.Eat right.
Foods rich in vitamin D include cod liver oil, deep-sea fish, egg yolks, dairy products, etc. Increasing these foods in your daily diet can help you get vitamin D.
3.Vitamin D supplementation is available.
For people with vitamin D deficiency, supplementation with vitamin D preparations under the guidance of a doctor is recommended. At present, the common vitamin D preparations on the market include vitamin D2, vitamin D3, etc. It is generally recommended that the elderly receive a daily vitamin D3 400-800 IU supplement, and pregnant women, lactating women, and those with vitamin D deficiency can increase the dose appropriately according to the doctor's recommendation.
4.Regular testing.
During vitamin D supplementation, serum calcium, phosphorus, and vitamin D levels should be checked regularly. If abnormalities are found, the dose should be adjusted or supplementation should be stopped in time.
Summary. Large-scale studies have shown that vitamin D supplementation may reduce the risk of dementia. In daily life, we should pay attention to vitamin D intake, maintain appropriate sun exposure, eat a reasonable diet, and supplement vitamin D preparations under the guidance of a doctor. Through these measures, it is expected to reduce the risk of dementia and protect our cognitive health.
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