Endocrine Abstracts

Vitamin A (retinol) plays a non-substitutable role in a process of growth and differentiation of tissues. Deficit of retinol can be encountered at its long-term diet deprivation (primary deficit), but it can occur also as a consequence of metabolism disorders on various levels (secondary deficit). Secondary deficit of retinol can occur also in people exposed to chemical substances in the long term or people living in an environment polluted by chemicals for a long time. One of...