The role of vitamin D in reducing cancer risk and progression

@article{Feldman2014TheRO,
  title={The role of vitamin D in reducing cancer risk and progression},
  author={David Feldman and Aruna V. Krishnan and Srilatha Swami and Edward L. Giovannucci and Brian J Feldman},
  journal={Nature Reviews Cancer},
  year={2014},
  volume={14},
  pages={342-357}
}
Vitamin D is not really a vitamin but the precursor to the potent steroid hormone calcitriol, which has widespread actions throughout the body. Calcitriol regulates numerous cellular pathways that could have a role in determining cancer risk and prognosis. Although epidemiological and early clinical trials are inconsistent, and randomized control trials in humans do not yet exist to conclusively support a beneficial role for vitamin D, accumulating results from preclinical and some clinical… 
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