Vitamin A deficiency is one of the world's top five major malnutrition problems estimated to affect more than 124 million children worldwide (Fuchs, Ausayakhum, Ruckphaopunt, Tansuhaj, & Suskind, 1994 Rumore, 1993 Underwood & Olson, 1993). Dietary counseling and vitamin supplementation for high risk children is a necessary health promotion intervention. Consequently, focused dietary assessment of vitamin A intake by a Food Frequency Questionnaire (FFQ) is a necessary component of health care maintenance, especially for toddlers and preschool age children. Lack of a simple screening test to measure subclinical deficiency adds to this problem. The problem is probably under recognized in the United States and other developed countries who do not normally consider their citizens to be malnourished. Vitamin A deficiency in its subclinical form is a world health problem in young children.
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