24 Healing Options for any Illness
24 Healing Options for any Illness

Vitamin D

Vitamin D can be found in some foods and is also produced naturally by the body following exposure to sunlight. Its primary functions relate to the health and maintenance of bones, though it also influences cell growth, the immune system, and inflammation. Additionally, vitamin D plays an important role in the regulation of mood, the production of neurotransmitters, and the protection of neurons. It is also believed to play a part in age-related diseases, with low levels being associated with increased chances of cognitive decline, Alzheimer's, and similar issues. As of yet, it is not known whether the vitamin D deficiency is a cause or a symptom of such neurodegenerative diseases.

Scientific Studies:

Most studies about vitamin D and Alzheimer's have focused on the correlation between D deficiencies and the development of the disease. One 2010 study investigated the relationship between vitamin D levels, cerebrovascular disease, and various forms of dementia. They found that "Vitamin D insufficiency and deficiency was associated with all-cause dementia, Alzheimer's disease, stroke (with and without dementia symptoms), and MRI indicators of cerebrovascular disease", all of which point to vitamin D having an important protective role in the brain. The same year, another group of researchers published a paper regarding vitamin D levels and age-related cognitive impairment and dementia. In their six-year study, they found that low levels of vitamin D were associated with "substantial cognitive decline".

Other studies have looked at lowered vitamin D levels as a risk factor for the development of cognitive issues. A review paper published in 2012 investigated the association between dementia, cognitive function, and vitamin D, concluding that "...lower vitamin D concentrations are associated with poorer cognitive function and a higher risk of AD [Alzheimer's]". Two years later, another study of over 1,500 patients looked at whether low vitamin D levels increase the risk of age-related cognitive issues. The researchers found that vitamin D deficiency substantially increased the risk of developing dementia and Alzheimer's.

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