PHILADELPHIA -- Consumption of Vitamin D tablets was found to cut the risk of pancreatic cancer nearly in half, according to a study led by researchers at Northwestern and Harvard universities.
The findings point to Vitamin D's potential to prevent the disease, and is one of the first known studies to use a large-scale epidemiological survey to examine the relationship between the nutrient and cancer of the pancreas. The study, led by Halcyon Skinner, Ph.D., of Northwestern, appears in the September issue of Cancer Epidemiology Biomarkers & Prevention.
The study examined data from two large, long-term health surveys and found that taking the U.S. Recommended Daily Allowance of Vitamin D (400 IU/day) reduced the risk of pancreatic cancer by 43 percent. By comparison, those who consumed less than 150 IUs per day experienced a 22 percent reduced risk of cancer. Increased consumption of the vitamin beyond 400 IUs per day resulted in no significant increased benefit.
The conclusions were reached by analysis of two prospective studies.
Skinner, currently in the Department of Population Health Sciences at the University of Wisconsin School of Medicine and Public Health, and his colleagues analyzed data from two long-term studies of health and diet practices, conducted at Harvard University. They looked at data on 46,771 men aged 40 to 75 years who took part in the Health Professionals Follow-up Study, and 75,427 women aged 38 to 65 years who participated in the Nurses' Health Study. Between the two studies, they identified 365 cases of pancreatic cancer. The surveys are considered valuable for their prospective design, following health trends instead of looking at purely historical information, high follow-up rates and the ability to enable researchers like Skinner to incorporate data from two independent studies.
If you get pancreatic cancer you die.
Pancreatic cancer is a rapidly fatal disease and the fourth-leading cause of death from cancer in the United States. This year, the American Cancer Society estimates that 32,000 new cases of cancer will be diagnosed. About the same number of people will die this year from the disease. It has no known cure, and surgical treatments are not often effective. Except for cigarette smoking, no environmental factors or dietary practices have been linked to the disease.
Vitamin D is probably the best supplement to take to reduce the risk of a wide range of cancers.
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