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Title: Vitamin B3 and vitamin D: a double shield to prevent dementia.
1. Dementia, as a typical geriatric disease, is increasingly threatening the quality of life of the elderly in China. With the intensification of the aging trend of the population, how to effectively prevent dementia has become the focus of social attention. In recent years, nutritionists have found that vitamin B3 (niacin) and vitamin D play an important role in preventing dementia. This article will provide you with a detailed analysis of the prevention mechanism of these two vitamins for dementia from a rigorous and scientific perspective.
2. Vitamin B3 and dementia prevention.
1.Physiological function of vitamin B3.
Vitamin B3, also known as niacin, is one of the 13 essential vitamins for the human body. It is involved in cell metabolism, maintenance** and nervous system health, and also has the effect of lowering cholesterol and improving blood circulation.
2.The relationship between vitamin B3 and dementia.
Studies have found that vitamin B3 has the effect of improving cognitive function and delaying brain aging. Niacin can improve brain cell function by increasing blood circulation to the brain and increasing the amount of oxygen and nutrients in the brain. In addition, niacin can also reduce the inflammatory response of the brain, reduce oxidative stress damage, and have a positive effect on the prevention of dementia.
3.Vitamin B3 intake is recommended.
To prevent dementia, it is recommended that adults consume 14-18 mg of niacin per day. Food** mainly includes lean meats, fish, nuts, seeds, green leafy vegetables, etc.
3. Vitamin D and dementia prevention.
1.Physiological function of vitamin D.
Vitamin D, also known as the sunshine vitamin, plays an important role in bone development and calcium and phosphorus metabolism. In recent years, studies have found that vitamin D is also closely related to immune, cardiovascular, nervous system and other aspects of health.
2.The relationship between vitamin D and dementia.
Studies have shown that vitamin D deficiency is associated with cognitive decline and an increased risk of dementia. Vitamin D promotes the secretion of nerve growth factor, protects nerve cells from damage, and has anti-inflammatory and antioxidant effects, helping to reduce the risk of dementia.
3.Vitamin D intake is recommended.
To prevent dementia, it is recommended that adults consume 400-800 international units (IU) of vitamin D per day. Food** mainly includes fish, egg yolks, dairy products, etc. In addition, sun exposure is also an effective way to supplement vitamin D.
Fourth, summary. Vitamin B3 and vitamin D play an important role in the prevention of dementia. The risk of dementia can be effectively reduced through a reasonable diet, appropriate vitamin supplementation, and maintaining good lifestyle habits. However, it is important to note that more vitamins are not always better, and excessive intake may lead to *** Therefore, it is important to follow the advice of a medical professional when supplementing vitamins.
References: 1 morris, m. c., sacks, f. (2003). the role of vitamin d in cognitive function. journal of nutrition, health & aging, 7(3), 165-167.
2. lautner, r., pirlich, m. (2013). vitamin d and cognition in elderly patients. wiener klinische wochenschrift, 125(23-24), 739-743.
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