Prevalence of vitamin A deficiency. Vitamin A deficiency (VAD) is a lack of vitamin A in humans. It is common in poorer countries but rarely seen in more developed countries. Nyctalopia (night blindness) is one of the first signs of VAD.pproximately 250,000 to 500,000 malnourished children in the developing world go blind each year from a deficiency of vitamin A, approximately half of whom die within a year of becoming blind. The United Nations Special Session on Children in 2002 set a goal of the elimination of VAD by 2010.
Shawn has been married to Caroline Brady since he first appeared on-air in 1983. The son of Peter Brady, and the grandson of Patrick Aloysius and Nora Molly Brady, Shawn has a brother Eric and two sisters named Molly and Colleen.
Robert Reed was born on October 19, 1932 in Highland Park, Illinois, USA as John Robert Rietz Jr. He was an actor, known for The Brady Bunch (1969), Rich Man, Poor Man (1976) and The Brady Bunch Variety Hour (1976). He was married to Marilyn Rosenberger. He died on May 12, 1992 in Pasadena, California, USA.