The striking findings from a Canadian study was released in advanced of this month’s annual meeting of the American Society of Clinical Oncology. The study found that women with vitamin D deficiency were 94% more likely to see their cancer spread – and 73% more likely to die – than women with adequate levels of the vitamin. Vitamin D can be found in fish, oysters, dairy products, and is mostly produced in the body when the skin is exposed to UV rays. Full story.


Dr. Steven Chang, the author of DailyDose, is a staff physician with Kosmix RightHealth. Dr. Chang practices Family Medicine at the University of California Davis Medical Center, where his medical interests include both pediatric and geriatric care, public health, gay and lesbian health, and sleep medicine. Dr. Chang trained at the Stanford University affiliated O'Connor Hospital, and was a research fellow at the National Institute of Health. He holds an M.D. from McGill University and a BA in Public Health from Johns Hopkins University.