Studies Suggest Vitamin D Benefits May Include Cancer Prevention

Studies on "sunshine vitamin" deficiencies indicate thatCancer, Moores Cancer Center at University of
the list of vitamin D benefits may well includeCalifornia, San Diego (UCSD) literally mapped the
preventing various forms of cancer.incidences of various forms of cancer throughout the
For nearly a decade San Francisco's Sunlight, Nutritionworld. The results showed that the areas with the
and Health Research Center has been reviewinglowest exposure to the sun's UV rays (and
ecological studies of solar ultraviolet B (the sunshinetherefore, lowest levels of vitamin D) have the
component that stimulates the body to manufacturehighest incidence of several forms of cancer.
D vitamin) and cancer. According to the Center, colonThe researchers stressed that even after correcting
and breast cancers show the strongest correlationsfor environmental variables such as diet, cigarette
to a lack of sun exposure leading to deficiency ofsmoking, alcohol intake, weight, and fertility, the
the vitamin, but links have also been found withassociation between low D vitamin levels and the
non-Hodgkin lymphoma, ovarian cancer and kidneyincidence of breast, kidney, and other cancers
cancer.remained strong.
Center Director William B. Grant said the findingsSunlight exposure a crucial factor
provide strong evidence that levels of the vitamin areD vitamin is available through some foods, including
important in controlling the outcome of cancer. Hesalmon, fortified milk, and eggs, but experts say the
also said he believes the support for UVB-vitaminaverage diet yields only a fraction of the amount
D-cancer theory is scientifically strong enough tothat the body requires. Exposure to sunlight triggers
warrant use of vitamin D as a component ofthe body to manufacture the vitamin, and the
treatment in cancer prevention.Sunlight, Nutrition and Health Research Center says
Low sun exposure and sunshine vitamin deficiencieseven brief, casual sun exposure can maximize vitamin
tied to incidence of certain cancers around the worldD benefits. As little as five to 10 minutes of exposure
Using information from the World Healthto the midday sun can produce up to 4,000 IU of
Organization's International Agency for Research onthe vitamin, according to the center.