Vitamin D for Cancer Prevention: Global Perspective – Source: Annals of Epidemiology, July 2009

[Note: A number of associated reports involving studies of vitamin D and cancer are included in this issue of Annals of Epidemiology. To review these, click here.]

Purpose: Higher serum levels of the main circulating form of vitamin D, 25-hydroxyvitamin D (25(OH)D), are associated with substantially lower incidence rates of colon, breast, ovarian, renal, pancreatic, aggressive prostate and other cancers.

Methods: Epidemiological findings combined with newly discovered mechanisms suggest a new model of cancer etiology that accounts for these actions of 25(OH)D and calcium.

Its seven phases are: disjunction, initiation, natural selection, overgrowth, metastasis, involution, and transition (abbreviated DINOMIT).

Vitamin D metabolites prevent disjunction of cells and are beneficial in other phases.



• It is projected that raising the minimum year-around serum 25(OH)D level to 40 to 60 ng/mL (100–150 nmol/L) would prevent approximately 58,000 new cases of breast cancer and 49,000 new cases of colorectal cancer each year, and three fourths of deaths from these diseases in the United States and Canada, based on observational studies combined with a randomized trial.

• Such intakes also are expected to reduce case-fatality rates of patients who have breast, colorectal, or prostate cancer by half.

• There are no unreasonable risks from intake of 2000 IU per day of vitamin D3, or from a population serum 25(OH)D level of 40 to 60 ng/mL.

The time has arrived for nationally coordinated action to substantially increase intake of vitamin D and calcium.

Source: Annals of Epidemiology, July 2009; 19(7), pp 468-483. by Garland CF, Gorham ED, Mohr SB, Garland, FC. Department of Family and Preventive Medicine, University of California San Diego, La Jolla; Moores University of California San Diego Cancer Center, La Jolla; Naval Health Research Center, San Diego, California, USA. [E-mail:]

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