Symptoms Of Vitamin D Deficiency - Videos

A vitamin D deficiency may worsen asthma symptoms in children.

Watch this review of the common risk factors for osteoporosis, or bone loss, including smoking, estrogen deficiency, white or asian race, lack of exercise, inadequate calcium intake, and family history.

Osteoporosis Overview

NBC's Tracie Potts reports from Washington on a study that indicates seven of ten American children lack the proper amount of Vitamin D.

Vitamin D deficiencies in premenopausal women may increase the risk for high blood pressure later in life.