Author: Dr. Laura M. Brown, ND

Vitamin D is important for calcium and bone metabolism, gut and mucosal lining protection, and immune response. Vitamin D deficiency is worldwide, especially in the elderly population. Three areas where vitamin D plays an especially important role are: 1. Bones Vitamin D3 helps your bones absorb calcium and phosphorus. This makes bones strong. When taken...

Natural sunlight affects sleep cycles, mood, energy, blood pressure, and the immune system. We need just the right amount. Too much sunlight can damage skin and increase the risk of skin cancer. Sunlight: Vitamin D, Blood Pressure, Mood and Cognitive Function Sunlight UVB skin exposure promotes the production of vitamin D by activating a cholesterol-derived...

B12 deficiency or low B12 levels have been estimated to affect about 40% of people over 60 years of age, and about 40% of the general population may be on the lower end of normal. Vitamin B12 deficiency can look like the signs and symptoms of diseases that are commonly associated with aging, such as...