Vitamin D Benefits: Hope or Hype?

Vitamin D is good for what ails you. Or at least that's what patients and doctors might conclude if they read only the headlines. In the past few months, deficiency in the substance has been linked to chronic obstructive pulmonary disease, tuberculosis, spinal inflammatory diseases, age-related macular degeneration ... and the list goes on. On the other hand, taking high doses of vitamin D didn't help patients with multiple sclerosis, MedPage Today reported, and it was of no benefit in...Full Story