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Vitamin D Might Offer Protection against Cancer

By jeremyc | March 9, 2018

A new study by Japanese researchers provides further evidence of the role Vitamin D might play in cancer protection. In this research, the experts found that Japanese individuals with high levels of vitamin D had lower cancer risk.

Several studies in the past have linked high vitamin D levels with low cancer risk, but all of these studies have been done on white populations. Because vitamin D metabolism and concentrations differ significantly by ethnicity/race, it is important to check whether we will get similar results in non-white populations.

No previous study has analyzed the association between levels of vitamin D and risk of cancer among Asians before; this is the very first study to do so. In this research, experts checked data of more than 33,000 Japanese individuals. The participants were in the age group of 40-69, and the average follow-up period was 16 years. The researchers created 4 groups, ranging from maximum vitamin D concentration to the least, and assigned each participant to one of these 4 groups.

Compared to people with lowest levels of vitamin D, individuals who had higher vitamin D levels were 20 percent less likely to develop cancer.

Sunlight is the best source of vitamin D. However, there are certain foods, like cheese, tuna, and salmon, which also have a substantial vitamin D concentration. In addition to these, one can take dietary supplements to boost vitamin D levels.


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