Vitamin D and Multiple Sclerosis
Tonight's science news features the fascinating fact that multiple sclerosis is also latitude-dependent (upon vitamin D) just like breast, prostate, and colorectal cancer. This raises interesting questions about the underlying mechanisms that cause these striking statistics. How does MS relate to cancer? (In this study of multiple sclerosis,
In any case, this certainly underscores the importance of getting an adequate amount of vitamin D.
Vitamin D: Warnings and Contraindications
Although vitamin D may afford protection against cancer and other diseases, it can be highly toxic in excessive amounts, drawing calcium from blood and bones. A maximum dosage of 2,000 IU per day has been set as an upper limit upon vitamin D intake, although a lower level is probably advisable. Also, the rules for someone who already has cancer can be just the opposite from those for someone who is trying to fend off cancer. It's a tricky business.