Study: Vitamin D Won’t Help Prevent Type 2 Diabetes
After nearly three years, 24.2% of those taking vitamin D developed diabetes, as did 26.7% of those taking the placebo. This difference isn't statistically significant, researchers said.

Report: Cancer-Causing Nitrates in Water Supply
Nitrate is responsible for nearly 12,600 cases of cancer a year, researchers from the Environmental Working Group say.