Takian, AH

[ 1 ] - Review of Policies and Programs Linked to Decreased Prevalence of Vitamin A Deficiency in World

One of the major health problems in most of the countries is vitamin A deficiency, which causes serious complications in children. Worldwide, nearly 2.8 million children aged 4–6 years old are affected by clinical and subclinical symptoms of vitamin A deficiency. Based on the studies from Iran, prevalence of vitamin A deficiency has increased in some provinces. This problem needs  improvements ...