Higher Vitamin D Blood Levels May Reduce The Risk of Aggressive Prostate Cancer?
(Reference: Li H, et al. ASCO Prostate Meeting 2005;abstract #2, page 35.) This should not be a surprise, but part of the reason that this study has received some attention is also probably due to the fact that doctors were actually studied. Researchers looked at blood levels of vitamin D (yes, there is a blood test for vitamin D and it is a wonderful test that I love to see many people get to determine whether or not they need to supplement with additional vitamin D) from the famous Physician´s Health Study (PHS). This was the study that was stopped early many years ago because they found that doctors taking a regular aspirin every other day significantly reduced their risk of a first heart attack compared to placebo. Anyhow, the researchers looked at some of the blood samples for vitamin D and followed these docs for an average of 13-18 years, and found that those with higher vitamin D blood levels compared to men with lower vitamin D levels had a 45% reduction in the risk of being d
