HIGH-RISK SUBJECTS FOR VITAMIN DEFICIENCY

Chronic deficiency of various vitamins can influence the occurrence of some chronic degenerative diseases such as cancer, cardiovascular pat hology, cataract, arthritis, disorders of the nervous system and photo sensitivity. Similarly, vitamin intake can influence various disorders in infants and elderly people, in burns and in subjects following unb alanced diets or undergoing strenuous physical exercise. Among vitamin s, B-carotene, vitamin E and vitamin C have received most attention, p articularly in the prevention of oxidative damage from free radicals, It is supposed that each vitamin plays a different role in the pathoge nesis of various diseases, depending on the type of damage relevant to a specific disease, Results from different studies are still far from conclusive and the effects on longevity are not well defined, In indu strialized countries, vitamin deficiencies seem to be related only to specific and clearly identifiable groups in the population: therefore, at the moment, it seems more advisable to target vitamin supplementat ion at risk groups.