According to the online open edition of the Journal of the American Medical Association, the Harvard University research team divided 25,000 people into 4 experimental groups. Each group was given a different nutritional supplement every day and carried out a follow-up study for up to 5 years; the results found People who take vitamin D every day have a 17% reduction in the possibility of cancer cells metastasis or spread to advanced stages when they develop cancer; if the intake person has an ideal weight, the risk is even lower by 38%. However, researchers still cannot explain why vitamin D can inhibit the growth and spread of cancer cells.
Dr. Chandler from the Harvard University research team said that he has accumulated decades of experience in the research and use of vitamins. According to a study published in 2018, it is believed that taking vitamin D is not beneficial in reducing the incidence of cancer diagnosis; but in their research, they found that vitamin D seems to prevent cancer patients from metastasizing cancer cells to other parts of the body. Probability.
The study found 25,000 men over 50 years old and women over 55 years old who did not suffer from any cancer at the beginning of the experiment. The research team divided them into 4 groups: the first group took vitamin D and Omega-3 every day; the second group took vitamin D and virtual placebo every day; the third group took Omega-3 and placebo every day, and the fourth group only Placebo.
The results show that although the overall chance of getting cancer is the same as in previous studies, vitamin D cannot reduce the chance of human being infected with cancer; however, the number of deaths due to cancer has decreased. Within 5 years, among the 25,000 people who participated in the study, 1,617 were diagnosed with breast cancer, prostate cancer, colorectal cancer, and lung cancer. Among them, compared with patients who received placebo, 274 cancers were in the middle and advanced stages; among the patients who received vitamin D daily, only 226 developed into the middle and advanced stages.
In addition, if the intake of phenanthrene D and normal weight patients, only 58 people were diagnosed in the late stage; 96 people in the placebo group. Researchers analyzed that normal weight patients had better effects after taking vitamin D. This may be related to obesity and related inflammation that inhibit the effect of vitamin D. As for the group taking Omega-3, it does not have any effect on cancer.
Dr. Chandler said that this study supports that vitamin D supplementation can prevent cancer metastasis and prevent cancer cells from growing, multiplying and spreading. This may be related to the effect of vitamin D in the life cycle of cells, causing unhealthy cells to die; however, further research is needed to find the correct answer.
Vitamin D is an easy to obtain and inexpensive nutritional supplement. In addition to helping to regulate calcium and phosphoric acid, vitamin D maintains the health of teeth, bones and muscles. Recent studies have found that it has a lot to do with the life cycle and growth of cells, and even the cells of the immune system.
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