Dr. Holick explains the connection between vitamin D intake and respiratory infections.
There’s one study done in women that received 2,000 units of vitamin D a day in Long Island by Dr. Alloya, and he showed that women taking 2,000 units of vitamin D a day for a year reduced their risk of upper respiratory tract infections by more than 90%.
About Dr. Holick, Ph.D., M.D.:
Michael Holick, Ph.D., M.D., is the Professor of Medicine of Physiology and Biophysics at Boston University School of Medicine. He received his medical degree from the University of Wisconsin, Madison and performed his residency and fellowship at Massachusetts General Hospital. Dr. Holick specializes in vitamin D, calcium, bone metabolism, photobiology of vitamin, and osteoporosis. Dr. Holick is also the recipient of the American Skin Associations Psoriasis Research Achievement Award, the American College of Nutrition Award, the Robert H. Herman Memorial Award in Clinical Nutrition from the American Society for Clinical Nutrition, and more.