Vitamin D intake from foods, supplements may not predict relationship between cancer

[News]

Vitamin supplements, diet, geographic location, demographic information or lifestyle, independently or in combination, cannot accurately predict vitamin D concentrations in blood, researchers at the University at Buffalo have found.

More... (http://www.news-medical.net/news/20100421/Vitamin-D-intake-from-foods-supplements-may-not-predict-relationship-between-cancer-and-vitamin-D.aspx)