vitamin-d-source.jpg According to a new research, cases of breast and colorectal cancer could be prevented by adequate intake of vitamin D. This study was conducted by Cedric F. Garland, Dr.P.H., cancer prevention specialist at the Moores Cancer Center at the University of California , San Diego (UCSD) and colleagues. The paper will be published in the August edition of the journal Nutrition Reviews.

Study Highlights
a. Researchers studied data from 15 countries.
b. The data collected were from surveys of serum vitamin D levels during winter months.
c. It took into account satellite measurements of sunshine and cloud cover in countries where actual blood serum levels of vitamin D 3 had been previously determined.
d. The collected data were then used in 177 countries to estimate the average serum level of a vitamin D metabolite of people living there.
e. It was seen that there was an inverse association of serum vitamin D with risk of colorectal and breast cancer.
f. The range of protective effect was from 24 to 32 nanograms per milliliter of 25-hydroxyvitamin D concentration in the serum.
g. The 25-hydroxyvitamin D level is the main indicator of vitamin D status.
h. In the US, the late winter average 25-hydroxyvitamin D was estimated at about 15-18 ng/ml.
i. It was concluded that by increasing vitamin D levels in populations, existing treatments of cancer could be bettered.