0 a disease caused by not eating enough of particular types of food that are necessary for good health:
deficiency diseases, for example scurvy
Despite the presence of the "de novo" pathway, the salvage reactions are essential in humans; a lack of niacin in the diet causes the vitamin deficiency disease pellagra.
Genzymes business focused on enzyme deficiency diseases.
Normal adults, including old people, have sufficient calcium stored in their bones to prevent them taking any deficiency disease.
Good application during that war almost eliminated nutritional deficiency disease in this country.
It is not to say that there are not many thousands of children throughout the country suffering severely from diseases like the protein deficiency disease kwashikhor and other deficiency diseases.
Dental caries cannot be classified as a fluorine deficiency disease until it has been demonstrated that inadequate amounts of fluorine in the diet invariably produce the disease.
There is no deficiency disease known to result solely from selenium deficiency, although a specific cardiomyopathy may occur with low selenium intakes which responds to selenium.
As early as 1755, pellagra was recognized by doctors as being a niacin deficiency disease.