On the other hand, vitamin A toxicity – in which the body ... and require supplementation. Vitamin B7 (biotin) deficiencies ...
high levels of exposure can be toxic, particularly to the central nervous system. Chronic manganese exposure may result in a condition known as manganism, characterized by symptoms resembling ...
high levels of exposure can be toxic, particularly to the central nervous system. Chronic manganese exposure may result in a condition known as manganism, characterized by symptoms resembling ...