, like infectious diseases, can saturate a given locus within a relatively short period of time, and geographical or physical isolation is a clinically convenient peculiarity.
The lower levels of serum B12 are likely to coincide with clinical deficiency disease
B vitamins should be prescribed only to patients who have B vitamin deficiency diseases
Vitamins protect us from deficiency diseases
such as scurvy, but also help to boost our immunity, improve childhood development and can reduce the risk of serious illness such as cancer and heart disease.
253 Bursting the Bubble of Primary immune Deficiency Diseases
In less severe forms, the vitamin A deficiency diseases
(VADD) lead to retarded development and reduced immune response to infectious diseases.
Part IV moves to a discussio n of vitamins, other nutrients, deficiency diseases
, and food disorders.
Although the availability of many different foods limits the incidence of deficiency diseases
, it also increases the risks of choosing poorly and overeating.
The first--the estimated average requirement (EAR)--is tailored to setting policy, because it provides a means of determining what proportion of a population is at risk for dietary deficiency diseases
, both within the United States and abroad.
A significant proportion of AIDS cases, they note, are diagnosed based on these "non immune deficiency diseases
These scientific discoveries and the resulting public health policies, such as food fortification programs, led to substantial reductions in nutritional deficiency diseases
during the first half of the century.
Although minimum daily allowances for Vitamins are based on levels required to Prevent specific deficiency diseases
, a growing Body of evidence indicates that higher doses of Vitamins are vital to maintaining a healthy Cardiovascular system.