Vitamin D: Too Much Can Be As Unhealthy As Too Little

Duh.

Scientists know that Vitamin D deficiency is not healthy. However, new research from the University of Copenhagen now indicates that too high a level of the essential vitamin is not good either. The study is based on blood samples from 247,574 Copenhageners. The results have just been published in the reputed scientific Journal of Clinical Endocrinology and Metabolism.

Another reason to think twice about supplementing with the cure du jour.