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More omega-3 lowers physical and mental frailty in senior life

More omega-3 lowers physical and mental frailty in senior lifeAgeing is characterized by increased physical and mental frailty that reduces one’s ability to deal with various external stress factors. Omega-3 fatty acids that are found in oily fish and fish oil supplements are believed to prevent frailty through their immune-regulating and anti-inflammatory properties, but studies have shown conflicting results. Nonetheless, daily intake of two grams of omega-3 appears to reduce frailty. According to a large population study that is published in Frontiers in Nutrition, it is also important to include moderate quantities of high-quality omega-6.

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Supplementation with vitamins C and D lowers the risk of bone fractures in diabetes

Supplementation with vitamins C and D lowers the risk of bone fractures in diabetesVitamin D’s role in bone health is well established, but according to a study that is published in Human Nutrition & Metabolism, a combination of vitamins D and C has a better effect against week bones and bone fractures in patients with diabetes. The study authors address vitamin C’s role in bone health but also mention the importance of having enough magnesium, which is needed to regulate the body’s calcium distribution.

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People’s vitamin D requirement is individual, and guidelines should be revised accordingly

People’s vitamin D requirement is individual, and guidelines should be revised accordinglyVitamin D protects against infections, cancer, and many different diseases, but there is a widespread deficiency problem. Also, the official recommendations for vitamin D intake are very low and are no guarantee of having optimal blood levels of the nutrient. A new British study that is published in Clinical Nutrition sheds light on the problems involved with helping an entire population to reach optimal vitamin D status. Apparently, there is no one-size-fits-all because age, gender, skin color, BMI, diabetes, and other factors can affect our ability to synthesize vitamin D and utilize the nutrient.

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Vitamin D and probiotics improve the metal health of schizophrenic people

Vitamin D and probiotics improve the metal health of schizophrenic peopleSchizophrenia is known to impair quality of life and reduce life expectancy. Diet, lack of nutrients, and digestion are all important for the progression of the disease, according to an Iranian study of schizophrenics who were given supplements of vitamin D plus lactic acid bacteria and bifidobacteria. The study is published in Neuropsychopharmacology Reports and reveals that these supplements were able to significantly improve the cognitive skills of the patients. The researchers also mention that these supplements have a role in regulating the body’s production of dopamine, controlling inflammatory processes, and controlling the gut-brain-axis that is important for the communication between the gut and the brain.

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Vitamin D’s role in the immune defense inhibits the ageing process

Vitamin D’s role in the immune defense inhibits the ageing processMost cells in the body have receptors for vitamin D, a nutrient that works as a steroid hormone. The different immune cells in the body are particularly dependent on vitamin D. Not only is this important for our ability to fight infections, but it also helps the body regulate inflammatory processes, which are the common thread in most chronic diseases and in ageing, according to a study that is published in Nutrients. The authors, Professor Carten Carlberg and Dr. Eunike Velleur, two of the world’s leading experts on vitamin D, explain why we need much more vitamin D than officially recommended when it comes fighting age.

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B vitamins and certain beverages protect against Alzheimer’s disease

B vitamins and certain beverages protect against Alzheimer’s diseaseLack of vitamin B12 and folic acid increases the risk of Alzheimer’s disease, which is because these B vitamins regulate blood levels of homocysteine that must be below a certain threshold. Apparently, men and women react differently to B vitamins and folic acid with regard to cognitive functions, according to a study that is published in Nutrients. The risk of developing Alzheimer’s disease is also lower among younger people and among those who drink tea or coffee. Unfortunately, many older people lack these particular B vitamins because of poor diet habits, low stomach acid, or the use of various medical drugs.

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Vegetarian and vegan diets often lack iodine and other essential nutrients

Vegetarian and vegan diets often lack iodine and other essential nutrientsThere is a trending global shift towards vegetarian or vegan diets. However, these diets come with a risk of lacking essential nutrients that are primarily found in animal food sources. According to a large meta-analysis of Western diets, one of them is iodine. Iodine deficiency is a worldwide problem and has serious consequences because of iodine’s vital role in the thyroid function, energy production, estrogen balance, fertility, and healthy pregnancy outcome.

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Selenium has a positive impact on blood pressure and circulation

Selenium has a positive impact on blood pressure and circulationHypertension and other cardiovascular diseases account for the majority of deaths. Diet and lifestyle are highly relevant, and it also appears that there is a significant linear relation between selenium intake and the risk of developing hypertension, according to a population study published in Frontiers in Immunology. The authors also mention selenium’s role in relation to blood pressure, and because selenium deficiencies are quite common, we need to look closer at this relation.

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The widespread lack of omega-3 among pregnant women has serious consequences

The widespread lack of omega-3 among pregnant women has serious consequencesThe two omega-3 fatty acids, EPA and DHA, which are found in oily fish and fish oil supplements are of vital importance to the child’s health and cognitive skills. However, according to a large American population study, 25 percent of pregnant women say that they rarely or never eat fish during their pregnancy, and even fewer take fish oil supplements. Lack of omega-3 during pregnancy can have serious consequences for the development of the child. Also, it increases the risk of postpartum depression in the mother. The study authors therefore advise pregnant women to eat oily fish or take a high-quality fish oil supplement.

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Iodine’s role in child growth, metabolism, and fertility

 Iodine’s role in child growth, metabolism, and fertilityIodine is involved in the body’s production of thyroid hormones, and we humans need plenty of iodine throughout life, especially during periods such as fetal development and child development. Iodine is also important for brain development and cognitive skills. Severe iodine deficiency during pregnancy and during a child’s first years of life may result in stunted growth and/or mental retardation, but there has been uncertainty about how a minor iodine deficiency affects the child before and after birth. In a review article that is published in Nutrients, the authors look closer at iodine’s role in fertility and child growth. Apparently, iodine deficiencies are quite common, and we even need selenium and other nutrients to secure a well-functioning thyroid gland.

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Can vitamin D lower the risk of dementia and Alzheimer’s disease?

Can vitamin D lower the risk of dementia and Alzheimer’s disease?According to a British population study, this seems to be the case. At the same time, it’s alarming that vitamin D deficiency is such a widespread problem and that Alzheimer’s disease and other typers of dementia are on the rise, because there is most likely a connection. How does vitamin D affect brain health, and how much vitamin D do we need to help nerve cells and cells in general function optimally?

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Vitamin D counteracts cancer via the gut flora

Vitamin D counteracts cancer via the gut floraDanish scientists from Aalborg University have published a study of mice in which they demonstrate that vitamin D prevents cancer by affecting a particular kind of gut bacteria. A subsequent analysis of 1.5 million Danes shows a similar relation between low vitamin D levels in the blood and an increased risk of several cancer types. What is also worth mentioning is that the official vitamin D recommendations appear to be too low to be able optimize blood levels of the nutrient.

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