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In a detailed study published in the Journal of Alzheimer’s Disease November 3, 2023, we can finally see which diets are helpful in reducing the risk of developing Alzheimer’s disease.

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A recent paper reported that while black and white women in the U.S. now have very similar breast cancer incidence rates, blacks have 41% higher breast cancer mortality rates. Based on many journal papers, we suggest that the primary reason is that blacks have much lower vitamin D status than whites.

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A newly published study found prevalence of autism among U.S. children is inversely correlated with solar UVB doses, the primary source of vitamin D. Maternal vitamin D deficiency or vitamin D deficiency in early life could explain this finding.

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A paper recently published in Dermato-Endocrinology indicates that raising vitamin D concentrations among hospital patients has the potential to greatly reduce the risk of hospital-acquired infections.

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A paper just published in Dermato-Endocrinology suggests that vitamin D deficiency may account for unexplained disparities in cancer survival rates between African and White Americans. The factors usually considered are socioeconomic status, stage at diagnosis, and treatment. The unexplained portion is generally between zero and 30%, with an average near 15%. This amount is easily explained by differences in vitamin D for African-Americans compared to white-Americans for 13 types of cancer.

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Large geographical variations in dental health and tooth loss among U.S. adolescents and young adults related so solar ultraviolet-B (UVB) light have been reported since the mid-1800s. The mechanism now identified is induction of cathelicidin, which attacks oral bacteria linked to dental caries, from vitamin D produced by solar UVB light.

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Wolfgang Amadeus Mozart suffered from many infectious illnesses from 1762 to 1791, the year of his death at 35 years of age. Most of these illnesses occurred between mid-October and May. Mozart died on December 5, two-to-three months into the 6-month vitamin D winter at that latitude.